Energy and Speed

A moving object will have more energy when the object

• moves faster

• stops moving

• changes direction

• changes shape

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

4th grade students were observing a Hot Wheels car moving more slowly. They knew that the car

• will move in a new direction.

• has less energy than it had before.

• will soon speed up again.

• has more energy than it had before.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

When the student let go of the car on the ramp she made sure that she started the car at the same place every time. She controlled everything to keep it the same. This is an example of a

• fair test

• bad test

• good test

• clear test

Tags

NGSS.MS-PS2-2

The student created 5 different heights for the slope. The different heights are

• variables we kept the same

• variables we are changing

• variables we are finding out

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-4

To observe the energy of the car, the student measured how far the car traveled from the bottom of the ramp. The distance the car traveled is the

• variable we are keeping the same

• variable we are changing

• variable we are finding out