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Bellringer week 3

Bellringer week 3. Your full name Teacher’s name Date Assignment. Question 1. The metric system is based on the unit ( or number ) of ____. Question 2. ____ is the measure of how much mass is contained in a given volume. AND the formula for this is: D= ______. Question 3.

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Bellringer week 3

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  1. Bellringer week 3 Your full name Teacher’s name Date Assignment

  2. Question 1 • The metric system is based on the unit ( or number ) of ____

  3. Question 2 • ____ is the measure of how much mass is contained in a given volume. • AND the formula for this is: D= ______

  4. Question 3 • Martha wants to find out if Raul, TJ or Jake is the fastest runner. To compare their times, she wrote them in the table above. Martha later learned that Raul and TJ ran on very hot days, but Jake ran on a cool day. Which of the following probably affected the results? • A. dependent variable • B. Cause and effect • C. experimental bias • D. Independent variable

  5. Question 4 • How should you usually control variables in an experiment? • A. by changing only the variable whose effects you want to study • B. By theorizing as you carry out your experiment. • C. By changing all the variables you can control.

  6. Question 5 • Mass and weight differ because… • A. Mass is the measure of the force of gravity acting on an object. • B. The mass of an object would be different on the moon. • C. Weight is the measure of the force of gravity acting on an object. • D. The weight of an object remains the same always.

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