Amplify Science Unit Final Test

Collision

• the moment when two objects run away from each other

• the moment when two objects hit each other

Tags

NGSS.MS-PS2-1

NGSS.MS-PS3-5

If the same strength force is exerted on two objects with different masses

• the object with more mass will have a greater change in velocity

• the object with less mass will have a greater change in velocity

Tags

NGSS.MS-PS2-2

When objects collide, a force is exerted on each object.

• true

• false

Tags

NGSS.MS-PS2-1

In a collision, forces are exerted in which direction

• any direction

• same direction

• opposite directions

Tags

NGSS.MS-PS2-1

Forces in a collision are always

• the same strength

• different strengths

Tags

NGSS.MS-PS2-1

In a collision, which object will have the greater change in velocity?

• the less massive obejct

• the more massive object

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Object A is traveling to the right at 5 cm/s. Object B is not moving (0 cm/s). A has more mass than B. When they collide which object will have a greater change in velocity?

• Object A

• Object B

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The chair sped up by 2 cm/s so that was traveling at a velocity of 4 cm/s. What direction of force was needed to speed up this chair?

• same direction as the chair's velocity

• opposite direction as the chair's velocity

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

In the game of pool (billiards), both balls experience the same amount of force but in opposite directions

• true

• false

Tags

NGSS.MS-PS2-1

After the collision, the bumper car on the right had a greater change in velocity. Why?

• the bumper car on the right had less mass than the bumper car on the left

• the bumper car on the right had more mass than the bumper car on the left

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2