Unit 1: Forces and Motion - Lesson 4 - Part 1

While playing pool, Emma notices that the pool balls bounce apart.  What type of collision is this?

• Elastic
• Inelastic
• Explosive
• Force

Tags

NGSS.MS-PS2-1

What happens when two objects collide?

• Energy is changed into force.

• Energy is transferred from one object to another.

• Energy is created and the objects move faster.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS3-5

What effects the amount of energy transferred in a collision?

• the speed

• the weight

• the speed AND weight

Tags

NGSS.MS-PS2-1

NGSS.MS-PS3-5

NGSS.MS-PS3-1

NGSS.MS-PS3-4

When two objects of the same mass traveling at different speeds collide head on, both objects...

• stop moving.

• bounce backward and travel at their original speed.

• change direction and move at their original speed.

Tags

NGSS.MS-PS2-1

Which of the following collisions would cause a still object to move at the speed of the object that hit it?

• a collision of a moving object with a still object of the same mass

• a collision of a moving object with a bigger massed still object

• a collision of a moving object with a lighter massed still object

Tags

NGSS.MS-PS2-1

When a ball is kicked harder at a slower moving ball the result is

• the slower ball will return at a faster speed.

• the slower ball will stop.

• the slower ball with return at a slower speed.

Tags

NGSS.MS-PS2-1

While playing with toy cars, Kirsten and Luca each push a car toward the center of the room. What happens when the toy cars collide?

• Energy is transferred.

• Energy is unchanged.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS3-5

A photographer took a picture at the park. Some things in the picture are in motion. Then he took another picture in the same place five seconds later. Which things would have changed position? Select ALL that apply.

• slide

• ball

• balloon

• kid on swing

Tags

NGSS.K-PS2-1

A student crashed a blue cart into a block three different ways, all at fast speed. One time the cart had 0 washers, one time it had 4 washers and one time it had 8 washers. In which case was the force on the cart largest?

• When the cart had 0 washers

• When the cart had 4 washers

• When the cart had 8 washers

• It was always the same force

Tags

NGSS.MS-PS2-2

Which crash below transfers the most energy?

• When a large football player and a smaller football player are running towards each other and crash

• When two smaller football players are running towards each other and crash

• When a smaller football player hands off the football to another football player

Tags

NGSS.MS-PS2-1

NGSS.MS-PS3-5