Simple Machines- 4th Grade- Mrs. Stulc

What is the definition of speed?

• Where the object is located

• A change in an objects position as it moves

• Measuring the distance an object travels in a set amount of time

What is the definition of motion?

• The distance an object travels in a set amount of time

• A change in an objects position as it moves

• Where the object is located

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If you drop something and it hits the ground it is because of what?

• Motion

• Gravity

• Matter

• Simple Machine

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What is the best example of force?

• Pushing a shopping cart

• Drinking a glass of water

• Calling a friend on the phone

• Listening to a sound wave

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Friction is a force that does what?

• Slows down or even stops

• Helps an object move faster

• Makes more gravity

• The time taken to move from one point to another

It's cold outside so you rub your hands together to stay warm. Your hands becoming warm is an example of what?

• Motion

• Gravity

• Friction

• Speed

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How do simple machines rely on force?

• Simple machines decrease the amount of force required when moving an object

• Simple machines all rely on gravity

• Simple machines make work harder

• Simple machines only help people pull objects

You hear the tires on a vehicle make a screeching sound. This sound is a result of what?

• Gravity

• Motion

• Friction

• Pulling

What is the measure of speed in a set direction?

• Motion

• Gravity

• Travel

• Velocity

A push is when you are using force to do what?

• Move an object away from you.

• Move an object closer to you.

• Make an object slow down

• Drop an object