4G-SC-Collisions

An encounter between two objects is called a ___________. After the encounter, there is a change in energy.

• energy

• mass

• collision

• force

Tags

NGSS.MS-PS2-1

What is kinetic energy?

• The energy an object has when it is in motion

• The transfer of energy from a warmer object to a cooler one

• The energy that an object has stored in it

• The type of energy that travels as waves through a medium

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What is mass?

• The amount of energy in an object 

• A measure of how warm an object is

• The amount an object has grown over time

• A measure of the amount of matter in an object

What does the amount of kinetic energy in an object depend on?

• Sound and the objects mass

• 
  

  Force and the object’s temperature

• The object’s speed and temperature

• The object’s mass and speed

Tags

NGSS.MS-PS3-1

If a 7-pound bowling ball and a 1-pound basketball are rolling along at the same speed, which ball has more kinetic energy?

• basketball

• bowling ball

• They have the same amount of kinetic energy

• There is not enough information to answer this question

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which of the following is an example of a collision that does not cause damage?

• A truck stopped in traffic

• A ball resting on the grass

• A pencil writing on a piece of paper

• None--all collisions cause damage

In a collision between a car and a truck, why does the car have more damage?

• All the kinetic energy disappeared at the moment the collision happened.

• The truck had more kinetic energy, which was transferred to the car.

• There is never any kinetic energy in this type of collision.

• The car had more kinetic energy than the truck, which caused the car to crumple more

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

NGSS.MS-PS2-1

Automobile accidents is an example of _____________.

• Soft Collisions

• Hard Collisions

Tags

NGSS.MS-PS3-5

NGSS.MS-PS2-1

NGSS.MS-PS2-2

If you sand a piece of wood with sandpaper, what causes the sound that you hear?

• Some of the kinetic energy is converted to sound energy.

• Some of the sound energy is converted to heat energy.

• Some of the kinetic energy is converted to heat energy.

• Some of the heat energy is converted to sound energy.

Tags

NGSS.MS-PS3-5

NGSS.MS-PS4-1

What is friction?

• The energy produced when objects rub on each other

• The energy produced by moving electrical charges

• A force that attracts objects to each other

• A force that occurs when two objects touch