Review of Forces and Energy, Work, and Power

Which has a greater impact on KE?

• mass

• velocity

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

What happens if you hold the south pole of one magnet close to the north pole of another magnet?

• They will attract each other

• They will repel each other

• They will grow very hot

• Nothing will happen

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

How could I increase the strength of my electromagnet?

• More Batteries

• Smaller paper clips

• More loops of copper wire

• Larger Nail

Tags

NGSS.MS-PS2-3

The greater the mass, the _________ kinetic energy the object has.

Tags

NGSS.MS-PS3-1

• at 3 and 6

• at 2 and 5

• at 1 and 5

• at 2 and 3

• Ray 1 refracted and Ray 2 reflected

• Both rays are reflecting

• Both rays are refracting

• Ray 1 reflected and Ray 2 Refracted

Tags

NGSS.MS-PS4-2

• Light energy

• Mechanical energy

• Electrical energy

• Thermal energy

What kind of energy is most useful when cooking hotdogs on a grill?

• mechanical

• sound

• light

• thermal

Tags

NGSS.MS-PS3-3

What kind of energy is required for the following object to work?

• mechanical energy

• light energy

• electrical energy

• thermal energy

What types of energy are needed to dry clothes in a dryer?

• sound and thermal

• light, mechanical, and thermal

• thermal, electrical, and mechanical

• mechanical, light, and electrical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3