Heat g2
9
111 1
Transcript of Heat g2
1
111
2
Ch. 10 , Lesson 4( Heat )
How can heat change matter?
• Can make matter move or change.
• One kind of energy is heat.
• Heat can change matter from one state to another.
Vocabulary:EnergyHeat
Objectives:I will be able to know:1-how heat can change matter.2-how water can change states by freezing and evaporating.
Energy
Heat
3
Ch. 10 , Lesson 4( Heat )
Taking away heat (freezing) change liquid to solid
Adding heat (melting) change liquid to gasThese changes are physical changes.
Vocabulary:EnergyHeat
Objectives:I will be able to know:1-how heat can change matter.2-how water can change states by freezing and evaporating.
4
5
Ch. 10 , Lesson 4( Heat )
How can we use heat?Much of our heat is from the Sun.Sun warms Earth’s land, air and water.Without the sun ,Earth would be too cold for things to live.
Vocabulary:EnergyHeatfuel
Objectives:I will be able to know:3-how heat energy can be used including fuels.
6
Ch. 10 , Lesson 4( Heat )
Fire gives off heat.To do this it burns fuel
Wood, natural gas and oil.
Vocabulary:EnergyHeatfuel
Objectives:I will be able to know:3-how heat energy can be used including fuels.
fuel
7
Ch. 10 , Lesson 4( Heat )
Heat can come from electricity.We can use dams and rivers to make electricity.Vocabulary:
EnergyHeatfuel
Objectives:I will be able to know:3-how heat energy can be used including fuels.
8
Ch. 10 , Lesson 4( Heat )
Heat can move from one object to another.If you rub your hand you make heat, then if you hold a pencil….heat will move to it. Heat moves through metal quickly. That is why people use metal pans when they cook.
Vocabulary:EnergyHeatfuel
Objectives:I will be able to know:3-how heat energy can be used including fuels.
9
Ch. 10 , Lesson 4( Heat )
Heat can change things.When a potter puts clay in a special oven it changes and become very hard.
Vocabulary:EnergyHeatfuel
Objectives:I will be able to know:3-how heat energy can be used including fuels.
