Energy (8th Grade)

Winds are an example of _____________ currents?

• Convection

• Hot

• Wind

• Depth

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS2-5

A system that uses heat from the earth to regulate the temp. of the air inside.

• Air Conditioning

• Heater

• Geothermal System

• Generator

Tags

NGSS.MS-PS3-3

A mechanical device that regulates temp. by acting as an on-off switch for a heater/air conditioner.

• Thermometer

• Thermostat

• Toaster

• Microwave

Tags

NGSS.MS-PS3-3

A lawnmower is a/an external combustion engine

• True

• False

The kinetic energy of atoms or molecules

• Kinetic Energy

• Nuclear Energy

• Chemical Energy

• Thermal Energy

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-1

Heat is ......

• Hot

• The movement of thermal energy from a substance at a higher temp. to another substance at a lower temp.

• The measure of the average kinetic energy of the particles in a substance.

• The ability to do work or cause change.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

A device that converts thermal to mechanical energy is a/an ________ __________

• Heat Engine

• Battery

• Solar Panel

• Thermostat

Pick the 3 devices that are Heat Movers

• Freezer

• Heat Engine

• Air Conditioner

• Refrigerator

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

NGSS.MS-PS1-4

Convection is, motion in a gas/liquid when the warmer portion rises and the cooler portion rises.

• True

• False

Tags

NGSS.MS-ESS2-6

NGSS.MS-PS1-4

Conduction is ....

• Potential energy that depends on the height of an object.

• A material that does not heat well.

• The energy stretched or compressed objects.

• Movement of heat/electricity through a medium.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4