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Review

Review. Students can conserve aluminum, an important resource, by doing which of the following?. D. Batteries made before 1997 contain high levels of the toxic substance mercury. These batteries can’t be recycled and should not be thrown in the regular trash,

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Review

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  1. Review

  2. Students can conserve aluminum, an important resource, by doing which of the following? D

  3. Batteries made before 1997 contain high levels of the toxic substance mercury. These batteries can’t be recycled and should not be thrown in the regular trash, while newer batteries are safe for both. An old battery would be safe for regular disposalor recycling if it were made in which of the following years? D

  4. Students gathered data on several brands of paper towels. They put all the data in a table. Students are deciding which brand of paper towels to use in their sciencelab. They want to choose the brand that uses the highest percentage of post-consumer recycled paper. Which brand should they choose? B

  5. Which of the following questions could be investigated by growing corn plants is soils that retain different amounts of water? A

  6. Which tools would be necessary to make the measurements needed in an investigation of the effect of temperature on the time it takes to dissolve salt in water? D

  7. Scientist collected data on rainfall in Houston over a five month period. They also collected data on the levels of bacteria found in bayous and rivers in Houston over the same period. What conclusion could reasonably be drawn from these data? C

  8. Students are conducting an investigation in which they need to measure the mass of a beaker of a certain liquid. They place a glass beaker of the solution on a triple-beam balance. The students know the mass of the beaker is 125 grams. What is the mass of the liquid? C

  9. Which of the following data is most appropriately displayed on a pie chart? B

  10. Students want to investigate if there is a relationship between the temperature by the school pond and how often the frogs in the pond make noise. For this investigation they will have a data table with what headings? D

  11. When asked to explain why summers are hot in the United States while winters are colder, one student says that it is because the Earth is closer to the Sun in July than in December. Which of the following pieces of evidence indicates that this explanation might be wrong? B

  12. By collecting weather data for four cities in the United States over an entire year, a scientist could collect the evidence necessary to determine all of the following EXCEPT – C

  13. A soda machine is shown here with features labeled. Which function of the soda machine depends on the force of gravity? A

  14. Many vending machines can tell the difference between a penny, a nickel, a dime and a quarter. The device inside these machines that determines the value of the coin could be designed to distinguish between these coins based on any of the following EXCEPT - C

  15. Many refrigerators have doors to which magnets stick. Some refrigerators have stainless steel doors. No magnets stick to these doors. What conclusion can be drawn about these refrigerator doors? The doors must - C

  16. The parts of a flashlight are shown here in the off and on positions. The flashlight will not function as shown unless the switch is – C

  17. Which tool is generally used to compare the masses of objects? B

  18. The proper tool for measuring the volume of a liquid is a – D

  19. Students measured out a certain volume of water into a graduated cylinder. Next they placed a rock in the water and observed the graduated cylinder. Next they placed arock in the water and observed the increase in volume? 5

  20. Which of the following observations would be best recorded using a camera? B

  21. What picture shows reflection, refraction, absorbing, and transmitting? Transmitting Reflection Absorbing Refraction

  22. List the 5 types of Energy- • Thermal • Electrical • Light • Mechanical • Sound • Heat • Something that has to be plugged in • Solar Energy • A Bike or a can opener • I pods or radio

  23. Boiling Point- Celsius Fahrenheit 100° 212 °

  24. Freezing Point- Celsius Fahrenheit 0° 32 °

  25. When does melting began? D

  26. Guess it.. • When water vapor turns into liquid water Condensation • When liquid water slowly dries up and turns into water vapor Evaporation • When ice turns into liquid water Melting

  27. Force • Force that slows or stops motion… happens when things are rubbed together Friction • Property of an object that resists movement by force Inertia • Force that pulls objects towards the center of earth Gravity • Push or Pull of an object Force

  28. What does it Cause….. • Rotation causes…… 24 hours/ 1 day • Rotates on a …. axis • Revolution Causes …… 365 days/1 yr orbits ….. Around the sun

  29. What time of the day…. • Shadow in the East means….. It’s Afternoon • Shadow in the west means….. It’s Morning

  30. Measuring Tools

  31. Steps to making a new Sedimentary Rock • Weathering • New sediment • Erosion • Deposition • Compacting and Cementation • NEW ROCK

  32. 3 types of fossil fuels • Coal • Oil • Natural gas • You need these three things to create fossil fuels • Time • Pressure • Heat

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