Sol Review

Which of the following statements best describes how generators work?

• Converting electrical energy into mechanical energy

• Converting chemical energy into radiant energy

• Converting electrical energy into radiant energy

• Converting mechanical energy into electrical energy

Tags

NGSS.HS-PS3-3

If two atoms have identical physical/chemical properties, they are most likely:

• Atoms of the same element

• Two different elements

• Chemically combined

• Ions

What type of energy transformation occurs in a coal burning power plant?

• Chemical to Thermal

• Radiant to Mechanical

• Nuclear to Chemical

• Electrical to Mechanical

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

When you turn on a flashlight, what type of energy transformation occurs?

• Nuclear to Chemical to Mechanical plus Thermal

• Radiant to Nuclear to Chemical plus Thermal

• Chemical to Electrical to Radiant plus Thermal

• Electrical to Thermal to Chemical plus Nuclear

True or False: During every energy transfer, a little bit of thermal energy is "lost" or wasted due to friction.

• True

• False

Tags

NGSS.MS-PS3-5

In this picture, what part is acting as the resistance?

• Light bulb

• Battery

• Wires

• Electrons

Tags

NGSS.MS-PS2-3

Which of the following is not a necessary part of an electromagnet?

• Soft metal core

• Motor

• Coiled Wire

• Power source

Which of these would make an electromagnet stronger?

• Loosening the coiled wire

• Removing the power source

• Tightening the coiled wire

• Using a non-metal core

Tags

NGSS.MS-PS2-3

Which picture shows the most recent model of an atom?

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS1-1

What subatomic particle tells you that an atom is of the same element?

• Electron

• Neutron

• Nucleus

• Proton