Forms of Energy

Energy is always found in the same form

• True
• False

The unit for energy is the

• Newton
• Joule
• Kilogram
• Watt

____ is the best example of thermal energy transfer.

• An electric fan
• A flying football
• A stretched spring
• A melting ice cube

____________ energy is from the sun or also called solar energy.

• heat
• chemical
• radiant
• mechanical

The 1st law of Thermodynamics

• Energy can not be created or destroyed. It just changes forms.

• Energy can only be created by the sun

• Some energy is lost to the environment.

A(n) _____________ is a device for measuring temperature.

• thermometer
• barometer
• anemometer
• psychrometer 

Thermal energy always moves:

• From a high temperature object to a lower temperature object.
• From a lower temperature object to a higher temperature object.
• From an object with lower kinetic energy to an object with higher kinetic energy.
• From an object of higher mass to an object of lower mass.

Tags

NGSS.MS-PS1-4

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NGSS.MS-PS3-5

When matter heats up, what does it do?

• expand

• contract

• melt

• evaporate

Heat transferred by direct contact is:

• Conduction

• Convention

• Radiation

• illegal because quarantine

Heat transferred by currents in a liquid or gas is:

• Conduction

• Convention

• Radiation

• Icky