2nd six weeks review

What form of energy do these use?

• Thermal

• Sound

• Mechanical

• Light

What form of energy is being used when a person hits a tennis ball with a tennis racket?

• thermal energy
• sound energy
• light energy
• mechanical energy

What kind of energy is associated with vibrations?

• mechanical energy
• electrical energy
• light energy
• sound energy

What does light energy do?

• Lets you see
• lets you hear
• makes you warm
• makes you move

A campfire is an example of which two forms of energy?

• light and sound

• heat and light

• sound and motion

• motion and electricity

Which form of energy would allow you to know a book was dropped without seeing it?

• Light energy

• Sound energy

• Thermal energy

• Mechanical energy

What is force?

• A force is a push or a pull that causes an object to move, stop, or change direction.

• something used in Star Wars

• It is the amount of space between two points.

• It is Superman's power

If these boys 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.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The force that pulls objects towards Earth.

• Gravity
• Friction
• Inertia
• Force

To use a force to cause something  to move away

• Pull
• Push
• Gravity
• Magnetism