Test: 3rd Grade Science

1.

Ashley wants to investigate how objects move and see if she can make correct predictions. She knows she will have to observe the object's motion. She wants to see which surface material will allow a toy car to get down a ramp in the least amount of time.

What will Ashley measure to determine which car was the fastest?

Ashley will measure the speed of the car as it exits the ramp.

Ashley will measure the weight of each material on the ramp.

Ashley will measure the distance the car traveled on the ramp.

Ashley will measure the time it takes for each car to go down the ramp.

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