Wrecking Ball (Amplify Force and Motion)

What is a wrecking ball primarily used for?

• Building construction

• Demolition

• Painting

• Landscaping

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NGSS.MS-PS2-1

What is the shape of a yo-yo compared to a wrecking ball?

• Similar but much smaller and less massive

• Completely different

• Larger and heavier

• The same size

Why might a yo-yo not have the same effect on a building as a wrecking ball?

• It is too heavy

• It is too small and light

• It is too expensive

• It is too fast.

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NGSS.MS-PS2-2

What happens when a wrecking ball collides with a building?

• It paints the building

• It breaks the walls into pieces

• It repairs the building

• It cleans the building.

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS3-5

Wrecking balls are used less often today but are still used to ____.

• Build skyscrapers

• Destroy some buildings

• Paint houses

• Plant trees

What is one reason setting up a wrecking ball is not simple?

• They are very small

• They are easy to move

• They are massive and expensive to move

• They are very quiet.

Tags

NGSS.MS-PS2-2

What is a single hit from a wrecking ball capable of doing?

• Painting a building

• Destroying a large part of a building

• Building a wall

• Cleaning a building

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NGSS.MS-PS3-5

Why do we still use wrecking balls today?

• They are the only method available

• They are still effective for destroying some buildings

• They are the cheapest option

• They are used for decoration.

Kinetic energy is related to the mass of an object. If the mass of an object grows, what happens to its kinetic energy?

• It decreases

• It stays the same

• It grows by the same amount

• It doubles

Tags

NGSS.MS-PS3-1

If an object's speed doubles, how many times greater is its kinetic energy?

• Two times

• Three times

• Four times

• Nine times

Tags

NGSS.MS-PS3-1