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Standard 1 Objective 1: Describe the chemical and physical

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  1. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1 of 21 The following data were collected by a group of students as they tested four different types of plastics. Which plastic would be unsafe to use to store products that contain acetone? A. Plastic 1 B. Plastic 2 C. Plastic 3 D. Plastic 4

  2. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1 of 21 The following data were collected by a group of students as they tested four different types of plastics. Which plastic would be unsafe to use to store products that contain acetone? A. Plastic 1 B. Plastic 2 C. Plastic 3 D. Plastic 4 X Sorry, That is the wrong answer. Read the question again. What is the substance that you are trying to use with plastic. Look at the column that has data about that substance.

  3. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1 of 21 The following data were collected by a group of students as they tested four different types of plastics. Which plastic would be unsafe to use to store products that contain acetone? A. Plastic 1 B. Plastic 2 C. Plastic 3 D. Plastic 4 X Sorry, That is the wrong answer. Read the question again. What is the substance that you are trying to use with plastic. Look at the column that has data about that substance.

  4. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1 of 21 The following data were collected by a group of students as they tested four different types of plastics. Which plastic would be unsafe to use to store products that contain acetone? A. Plastic 1 B. Plastic 2 C. Plastic 3 D. Plastic 4 X Sorry, That is the wrong answer. Read the question again. What is the substance that you are trying to use with plastic. Look at the column that has data about that substance.

  5. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1 of 21 The following data were collected by a group of students as they tested four different types of plastics. Which plastic would be unsafe to use to store products that contain acetone? A. Plastic 1 B. Plastic 2 C. Plastic 3 D. Plastic 4 X Good job!!!! Click on the arrow and Move on to question 2.

  6. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 2 of 21 Glass breaking into smaller pieces is an example of a: A. Chemical Property C. Chemical Change B. Physical Property D. Physical Change

  7. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 2 of 21 Glass breaking into smaller pieces is an example of a: A. Chemical Property C. Chemical Change X B. Physical Property D. Physical Change After you think about the following, try again. Chemical property – Anything that could happen to a specific substance that would change it into new substances. Will the glass be a new substance after being broken?

  8. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 2 of 21 Glass breaking into smaller pieces is an example of a: A. Chemical Property C. Chemical Change B. Physical Property D. Physical Change X Physical Property – Characteristics of matter that distinguish one type of matter from another and can be observed without changing the Identity of the matter. One of the physical properties of the glass has changed. After considering the following, Try Again.

  9. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 2 of 21 Glass breaking into smaller pieces is an example of a: A. Chemical Property C. Chemical Change X B. Physical Property D. Physical Change After you think about the following, try again. Chemical Change – The process by which a substances becomes a new and different substance. Will the glass be a new substance after being broken?

  10. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 2 of 21 Glass breaking into smaller pieces is an example of a: A. Chemical Property C. Chemical Change B. Physical Property D. Physical Change X Excellent job!!!!!!!!! Physical Change – Any time a characteristic of a substance changes but the substance remains the same substance.

  11. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 3 of 21 Metal oxidizing (tarnishing / rusting) is an example of a: A. Chemical Property C. Chemical Change B. Physical Property D. Physical Change

  12. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 3 of 21 Metal oxidizing (tarnishing / rusting) is an example of a: A. Chemical Property C. Chemical Change X B. Physical Property D. Physical Change You’ll have to try again. Chemical property – Anything that could happen to a specific substance that would change it into new substances. In this case there are already new substances.

  13. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 3 of 21 Metal oxidizing (tarnishing / rusting) is an example of a: A. Chemical Property C. Chemical Change B. Physical Property D. Physical Change X You’ll have to try again. Physical Property – Characteristics of matter that distinguish one type of matter from another and can be observed without changing the Identity of the matter. In this case there are new substances.

  14. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 3 of 21 Metal oxidizing (tarnishing / rusting) is an example of a: A. Chemical Property C. Chemical Change X B. Physical Property D. Physical Change Excellent Job!!!!!!!! Chemical Change – The process by which a substances becomes a new and different substance. Go on to question 4 by clicking on the right arrow.

  15. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 3 of 21 Metal oxidizing (tarnishing / rusting) is an example of a: A. Chemical Property C. Chemical Change B. Physical Property D. Physical Change X You’ll have to try again. Physical Change – Any time a characteristic of a substance changes but the substance remains the same substance. When a physical change occurs you do not have any new substances.

  16. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 4 of 21 When describing an object which of the following is a chemical property? A. Size C. texture B. Shape D. flammability

  17. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 4 of 21 When describing an object which of the following is a chemical property? A. Size C. texture X B. Shape D. flammability You’ll have to try again. Physical Property – Characteristics of matter that distinguish one type of matter from another and can be observed without changing the Identity of the matter. Size is one of the physical properties.

  18. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 4 of 21 When describing an object which of the following is a chemical property? A. Size C. texture B. Shape D. flammability X You’ll have to try again. Physical Property – Characteristics of matter that distinguish one type of matter from another and can be observed without changing the Identity of the matter. Shape is one of the physical properties.

  19. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 4 of 21 When describing an object which of the following is a chemical property? A. Size C. texture X B. Shape D. flammability You’ll have to try again. Physical Property – Characteristics of matter that distinguish one type of matter from another and can be observed without changing the Identity of the matter. Texture is one of the physical properties.

  20. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 4 of 21 When describing an object which of the following is a chemical property? A. Size C. texture B. Shape D. flammability X Excellent Job!!!!!!!! Chemical property – Anything that could happen to a specific substance that would change it into new substances. Go on to question 5.

  21. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 5 of 21 What will happen when a glowing splint is placed into a test tube of hydrogen? A. It will burst into a flame. C. It will sop glowing. B. It will make a popping sound. D. Nothing will happen.

  22. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 5 of 21 What will happen when a glowing splint is placed into a test tube of hydrogen? A. It will burst into a flame. C. It will sop glowing. X B. It will make a popping sound. D. Nothing will happen. You’ll have to try again. Hydrogen is highly reactive to the point of explosion in the presence of something that is burning or smoldering. Remember the Hindenburg blimp.

  23. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 5 of 21 What will happen when a glowing splint is placed into a test tube of hydrogen? A. It will burst into a flame. C. It will sop glowing. B. It will make a popping sound. D. Nothing will happen. X You got that one right. Hydrogen is highly reactive to the point of explosion in the presence of something that is burning or smoldering. Remember the Hindenburg blimp. Go on to question 6.

  24. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 5 of 21 What will happen when a glowing splint is placed into a test tube of hydrogen? A. It will burst into a flame. C. It will sop glowing. X B. It will make a popping sound. D. Nothing will happen. You’ll have to try again. Hydrogen is highly reactive to the point of explosion in the presence of something that is burning or smoldering. Remember the Hindenburg blimp.

  25. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 5 of 21 What will happen when a glowing splint is placed into a test tube of hydrogen? A. It will burst into a flame. C. It will sop glowing. B. It will make a popping sound. D. Nothing will happen. X You’ll have to try again. Hydrogen is highly reactive to the point of explosion in the presence of something that is burning or smoldering. Remember the Hindenburg blimp.

  26. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 6 of 21 What will happen when a glowing splint is placed into a test tube of carbon dioxide? A. It will burst into a flame. C. It will sop glowing. B. It will make a popping sound. D. Nothing will happen.

  27. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 6 of 21 What will happen when a glowing splint is placed into a test tube of carbon dioxide? A. It will burst into a flame. C. It will sop glowing. X B. It will make a popping sound. D. Nothing will happen. You’ll have to try again. Carbon dioxide is used to put out fires. It is not flammable.

  28. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 6 of 21 What will happen when a glowing splint is placed into a test tube of carbon dioxide? A. It will burst into a flame. C. It will sop glowing. B. It will make a popping sound. D. Nothing will happen. X You’ll have to try again. Carbon dioxide is used to put out fires. It is not flammable or explosive.

  29. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 6 of 21 What will happen when a glowing splint is placed into a test tube of carbon dioxide? A. It will burst into a flame. C. It will sop glowing. X B. It will make a popping sound. D. Nothing will happen. Very Good!!!!!! Carbon dioxide is used to put out fires. It is not flammable. Go on to question 7.

  30. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 6 of 21 What will happen when a glowing splint is placed into a test tube of carbon dioxide? A. It will burst into a flame. C. It will sop glowing. B. It will make a popping sound. D. Nothing will happen. X Very Good!!!!!! Carbon dioxide is used to put out fires. It is not flammable.

  31. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 7 of 21 What will happen when a glowing splint is placed into a test tube of oxygen? A. It will burst into a flame. C. It will sop glowing. B. It will make a popping sound. D. Nothing will happen.

  32. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 7 of 21 What will happen when a glowing splint is placed into a test tube of oxygen? A. It will burst into a flame. C. It will sop glowing. X B. It will make a popping sound. D. Nothing will happen. That is correct, Good Job! Three things are needed for fire to burn; fuel, oxygen, and a heat source. Go on to question 8.

  33. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 7 of 21 What will happen when a glowing splint is placed into a test tube of oxygen? A. It will burst into a flame. C. It will sop glowing. B. It will make a popping sound. D. Nothing will happen. X You’ll have to try again. Three things are needed for fire to burn; fuel, oxygen, and a heat source.

  34. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 7 of 21 What will happen when a glowing splint is placed into a test tube of oxygen? A. It will burst into a flame. C. It will sop glowing. X B. It will make a popping sound. D. Nothing will happen. You’ll have to try again. Three things are needed for fire to burn; fuel, oxygen, and a heat source.

  35. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 7 of 21 What will happen when a glowing splint is placed into a test tube of oxygen? A. It will burst into a flame. C. It will sop glowing. B. It will make a popping sound. D. Nothing will happen. X You’ll have to try again. Three things are needed for fire to burn; fuel, oxygen, and a heat source.

  36. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 8 of 21 What gas is given off by the reaction when vinegar and baking soda are mixed together? A. oxygen C. hydrogen B. Carbon dioxide D. chlorine

  37. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 8 of 21 What gas is given off by the reaction when vinegar and baking soda are mixed together? A. oxygen C. hydrogen X B. Carbon dioxide D. chlorine You’ll have to try again. Vinegar is an acid (< 7 ph) and baking soda is a base (> 7 ph). They will react chemically until the acid base relationship is neutralized (7 ph). The gas that is given off is non-flammable and non-corrosive.

  38. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 8 of 21 What gas is given off by the reaction when vinegar and baking soda are mixed together? A. oxygen C. hydrogen B. Carbon dioxide D. chlorine X That is correct, Good Job! Vinegar is an acid (< 7 ph) and baking soda is a base (> 7 ph). They will react chemically until the acid base relationship is neutralized (7 ph). The gas that is given off is non-flammable and non-corrosive. Go on to question 9.

  39. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 8 of 21 What gas is given off by the reaction when vinegar and baking soda are mixed together? A. oxygen C. hydrogen X B. Carbon dioxide D. chlorine You’ll have to try again. Vinegar is an acid (< 7 ph) and baking soda is a base (> 7 ph). They will react chemically until the acid base relationship is neutralized (7 ph). The gas that is given off is non-flammable and non-corrosive.

  40. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 7 of 21 What gas is given off by the reaction when vinegar and baking soda are mixed together? A. oxygen C. hydrogen B. Carbon dioxide D. chlorine X You’ll have to try again. Vinegar is an acid (< 7 ph) and baking soda is a base (> 7 ph). They will react chemically until the acid base relationship is neutralized (7 ph). The gas that is given off is non-flammable and non-corrosive.

  41. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 9 of 21 When scientist use the scientific method to discover new things, their primary purpose is to: A. Discover something that will make them rich. B. Discover the variables the control an occurrence in nature. C. Determine the cost of using the new information to make something useful. D. Find something that is important to their government.

  42. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 9 of 21 When scientist use the scientific method to discover new things, their primary purpose is to: A. Discover something that will make them rich. X B. Discover the variables the control an occurrence in nature. C. Determine the cost of using the new information to make something useful. D. Find something that is important to their government. You’ll have to try again. Most good scientists do earn a lot of money. Their motivation usually is not the money though.

  43. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 9 of 21 When scientist use the scientific method to discover new things, their primary purpose is to: A. Discover something that will make them rich. B. Discover the variables the control an occurrence in nature. X C. Determine the cost of using the new information to make something useful. D. Find something that is important to their government. You got that one right. Scientist are usually motivated simply by being the one to learn something new. Go on to guest ion 10.

  44. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 9 of 21 When scientist use the scientific method to discover new things, their primary purpose is to: A. Discover something that will make them rich. B. Discover the variables the control an occurrence in nature. C. Determine the cost of using the new information to make something useful. X D. Find something that is important to their government. You’ll have to try again. This is the job of a technologist not what motivates scientist.

  45. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 9 of 21 When scientist use the scientific method to discover new things, their primary purpose is to: A. Discover something that will make them rich. B. Discover the variables the control an occurrence in nature. C. Determine the cost of using the new information to make something useful. D. Find something that is important to their government. X You’ll have to try again. Scientists do sometimes work for their government. Usually this is only so they can get the funding they need to do the necessary research.

  46. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 10 of 21 Plants use chemical changes in their life cycle. Which of the following is not a chemical change used by plants? A. cellular respiration C. water absorption B. photosynthesis D. sugar production

  47. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 10 of 21 Plants use chemical changes in their life cycle. Which of the following is not a chemical change used by plants? A. cellular respiration C. water absorption X B. photosynthesis D. sugar production You’ll have to try again. Cellular respiration is one of the chemical changes that takes place in a plant. sugar C6H12O6 + 6 O2 6 CO2 + 6 H2O Chemical change requires that new substances are made.

  48. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 10 of 21 Plants use chemical changes in their life cycle. Which of the following is not a chemical change used by plants? A. cellular respiration C. water absorption B. photosynthesis D. sugar production X You’ll have to try again. Photosynthesis is one of the chemical changes that takes place in a plant. Sun light 6 CO2 + 6 H2O C6H12O6 + 6 O2 Chemical change requires that new substances are made.

  49. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 10 of 21 Plants use chemical changes in their life cycle. Which of the following is not a chemical change used by plants? A. cellular respiration C. water absorption X B. photosynthesis D. sugar production Excellent Job!!!!!!!! Water absorption is not one of the chemical changes that takes place in a plant. Chemical change requires that new substances are made. Water is the same before it is absorbed into the roots as it is after it has been absorbed into the roots. No chemical change has occurred.

  50. Standard 1 Objective 1: Describe the chemical and physical properties of various substances 10 of 21 Plants use chemical changes in their life cycle. Which of the following is not a chemical change used by plants? A. cellular respiration C. water absorption B. photosynthesis D. sugar production X You’ll have to try again. Sugar production is one of the chemical changes that takes place in a plant. sugar Sun light 6 CO2 + 6 H2O C6H12O6 + 6 O2 Chemical change requires that new substances are made.