Unit 2 Energy, Motion, and Forces 21-22

If these teams are pulling with the same amount of force what will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

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NGSS.MS-PS2-1

Is this statement true or false: All objects exert a gravitational force on each other, regardless of how big or small they are.

• True
• False

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Which type of force(s) will cause a change in an object's motion?

• Gravity
• Net force
• Balanced forces
• Unbalanced forces

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If an object is not moving the forces acting upon it are _____________

• unbalanced
• weak
• balanced
• Hulk Smash!

The gravitational attraction between two objects will _________ if the objects move closer together

• Decrease
• Increase
• Stay the same

Total energy is kinetic energy plus potential energy. Does total energy change?

• Yes

• No

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NGSS.MS-PS3-4

Energy of motion is which type of energy?

• Potential
• Kinetic
• Sound
• Gravitational

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NGSS.MS-PS3-5

What type of energy is in this picture?

• Kinetic
• Potential
• Chemical
• Sound

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which of these graphs represent a constant speed?

• 
• 
• 

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NGSS.MS-PS3-1

When did the bird stop flying?

• at minute 75

• at minute 0

• at minute 60

• at minute 110

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NGSS.MS-PS3-1