what are some ways you try to stay warm in the winter? warm up /science/energy-light-sound/heat.htm

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Radiation

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Page 1: What are some ways you try to stay warm in the winter? Warm Up  /science/energy-light-sound/heat.htm

What are some ways you try to stay warm

in the winter?

Warm Up

http://studyjams.scholastic.com/studyjams/jams/science/energy-light-sound/heat.htm

Page 2: What are some ways you try to stay warm in the winter? Warm Up  /science/energy-light-sound/heat.htm

Radiation

• Radiation is heat transfer through empty space.

• It travels in the form of light waves.

• Sunlight is a form of heat radiation.

(1)

Page 3: What are some ways you try to stay warm in the winter? Warm Up  /science/energy-light-sound/heat.htm

Radiation

Page 4: What are some ways you try to stay warm in the winter? Warm Up  /science/energy-light-sound/heat.htm

Convection

• Movement of heat in liquids and gases.

• Warm air rises and cool air sinks.

• This flow of heat produces a convection current.

(2)

Page 5: What are some ways you try to stay warm in the winter? Warm Up  /science/energy-light-sound/heat.htm

Convection

Page 6: What are some ways you try to stay warm in the winter? Warm Up  /science/energy-light-sound/heat.htm

Conduction

• Conduction is heat transfer by direct physical contact.

• Conduction can happen in solids, liquids and gases.

• Ex: An ice cube will melt in your hand

(3)

Page 7: What are some ways you try to stay warm in the winter? Warm Up  /science/energy-light-sound/heat.htm

Conduction

Bread is touchingThe pan and burning.

Page 9: What are some ways you try to stay warm in the winter? Warm Up  /science/energy-light-sound/heat.htm

Let’s PRACTICE