Quarter 3 Final Assessment

Which material is the best conductor of heat and electricity?

• plastic

• metal

• wood

• stone

Thermal energy is transferred through a material by the collision of_____within the material?

• atoms

• waves

• crystals

• light

Energy is transferred from the sun to Earth mainly by?

• conduction

• mechanical waves

• air currents

• electromagnetic waves

In general, metals are______.

• fragile (easily broken)

• poor conductors of electricity

• good conductors of heat

• poor conductors of heat

Heat flows from warm objects to cooler objects until both objects are at ____.

• conduction

• expansion

• thermal

• equilibrium

What kind of energy does a moving baseball have?

• magnetic

• chemical

• electrical

• mechanical

Potential energy is stored energy.

• True

• False

Energy is the ability to do work.

• True

• False

On a roller coaster, where is the maximum potential energy?

• when going around a corner

• at the bottom of a big hill

• at the top of a big hill

• when going upside down

The law of conservarion of energy states that.

• energy cannot be destroyed

• energy cannot be created or destroyed

• energy cannot be created

• energy can be destroyed