Unit 2 Lesson 2 Sections 1 & 2

The energy of the moving ball ​ (a)   to the still ball when they ​ (b)   . With the energy it ​ (c)   during the collision, the ball that was still now is set in ​ (d)   . The ball that was moving now is ​ (e)   .

• transfers
• collide
• gains
• motion
• still

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NGSS.MS-PS2-1

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To collide is to touch something while moving. Energy transfers from one object to another when objects _______.

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NGSS.MS-PS2-1

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All moving objects have _____________

• energy of motion

• potential energy

• stored energy

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NGSS.MS-PS3-1

NGSS.MS-PS3-4

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True or False?

Weight and speed does not effect the amount of energy a moving object has

• True

• False

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What causes a bowling ball to collide with bowling pins and make the pins get knocked down at a faster speed?

• How slow the bowling ball rolls

• How heavy the bowling ball is

• How heavy the bowling pins are

• How fast the bowling ball rolls

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NGSS.MS-PS2-1

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When a moving object ​ (a)   with a still object of the ​ (b)   weight, the energy transfer causes the still object to ​ (c)   at the ​ (d)   that hit it.

• collides
• same
• move
• speed of the object

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NGSS.MS-PS2-1

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When a moving object ​ (a)   with a still object of a​ (b)   weight, the energy transfer can affect the objects' speeds ​ . When the ball collides with the pin, it​ (c)   energy. The pin weighs​ (d)   , so this energy makes it move ​ (e)   than the ball.

• collides
• different
• transfers
• less
• faster

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NGSS.MS-PS2-1

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When two objects moving at the ​ (a)   speed with the same weight ​ (b)   head on, they each ​ (c)   back in the direction they came from at the same speed.

• same
• collide
• bounce

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NGSS.MS-PS2-1

These soccer balls have ​ (a)   speeds before they ​ (b)   . After they collide, the ball that was ​ (c)   now moves at the slower speed. The ball that was ​ (d)   now moves at the faster speed.

• different
• collide
• faster
• slower

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NGSS.MS-PS2-1

NGSS.MS-PS3-1

Cart A is still. Cart B is moving.

Both carts weigh the same amount.

Predict what will happen when the carts collide.

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NGSS.MS-PS2-1