When an object is at rest, which of the following is true?
Question 4
4.
In an experiment investigating the effect of different surfaces on the speed of a rolling ball, what is the independent variable?
Question 5
5.
The constant in a science experiment is something that —
Question 6
6.
In an investigation, students inflate a balloon attached to a straw threaded onto a string.
When the balloon is released, it travels along the string.
What might be the dependent variable in this investigation?
In an investigation, a balloon is filled with different amounts of air before being released to travel along a string like a rocket. The students recorded the following data:
1
5.6.D
1
Question 8
8.
What evidence from the data table supports your answer to the previous question?
As the air in the balloon ______________ from 1 liter to 3 liters, the distance the balloon traveled increased from ______ meters to 4 meters.
Other Answer Choices:
3.5
2
decreased
increased
5.6.D
Match the definitions and drawings to the correct term.
Variable that is changed or manipulated in an investigation
Variable that is being measured in an investigation; the result of the changed variable
Variables that are kept the same to ensure a fair test and accurate results.
Equal forces that do not result in motion
Unequal forces that result in motion
Balanced Forces
Unbalanced Forces
Independent Variable
Dependent Variable
Constants
Question 7
7.
Based on the data table, which claim statement is correct?