Heat Energy and Electrical Energy

________________ is a form of energy that is measured by temperature.

• Heat energy
• Electrical energy

______________ refers to how hot or cold an object is.

• Temperature
• Thermometer

It is measured using a _______________. This instrument contains a liquid called _____________, which rises or falls according to the temperature of the air.

• thermometer

• mercury

• generator

• battery

What is (°C) means?

• degrees Celsius
• degrees Fahrenheit

What is (°F) means?

• degrees Fahrenheit
• degrees celsius

An object is said to be ___ when it has high temperature or ____ when it has low temperature.

• hot

• celsius

• cold

• fahrenheit

Earth's main natural source of heat is the ___.

• sun
• star

• moon

______________ sources include fire, lighted candles, and burning charcoal. Fire is a very important artificial source of heat for many people.

• Artificial
• Natural

__________ energy is the energy produced by tiny charged particles called electrons. These particles usually move through a wire.

• Electrical
• Artificial

Electrical energy is the energy produced by tiny charged particles called _____________.

• electrons
• electricity

• lighlning

• generator