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Generally heat
Heating and cooling
Heat in the world
Energy Sources
100
This type of material keeps heat in.
What is an insulator.
100
This is the direction heat energy moves.
What is from hot to cold
100

This usually happens when heat is added.

What is thermal expansion.

100

A boiling pot is a example of 

what is convection?

100

Solar energy is a source of energy from

What is the sun?

200

What are the three types of heat transfers?

What is conduction, convection and radiation ?

200

The transfer of energy from the particles of a warmer object to the particles of a cooler object 

What is heat

200

This change in volume occurs when heat is removed from a substance.

What is thermal contraction.

200
Energy contained below the Earth's surface 

What is geothermal energy?

200

A source of energy that can be used indefinitely

What is renewable energy

300

When particles are heated they move _________ and ____________.

What is faster and farther apart?

300
This type of energy means "the energy of movement".
What is Kinetic Energy
300
Bridges have metal plates with gaps between them for this reason.
What is the materials expand in the heat.
300

When the land is warmer than the water, this creates a convection current resulting in a __________

What is a sea breeze?

300

Three sources of conventional energy

What is thermal electric, nuclear electric and hydro electric energy 

400
When a metal spoon becomes hot, this is because of 

what is conduction?

400

What is the measure of the average kinetic energy of particles of a substance

What is temperature 

400
A __________ in volume due to cooling

What is decrease?

400
 Hot magma from a volcanic eruption cools and solidifies into a new rock, this new rock is called

what is igneous rock?

400

electricity is produced naturally by

what is lightning?

500

In our conduction experiment,  copper and aluminum were the best________

What are conductors?

500
This is the only form of energy transfer that happens without molecules.
What is radiation.
500
How could you re-inflate an old balloon?
What is leave it out in the sun.
500

Darker colours ________energy and lighter colours ________energy.

What is absorbs and reflects

500

What are some disadvantages of nuclear energy?

What is expensive to build and maintain, radioactive,non- renewable energy resource