Heat Transfer
Heat Sources
Labs
Animals & People
Temperature
100
Heat is transferred from an area of ___________ to an area of _____________.
Heat is transferred from an area of hot to an area of cold.
100
The most important heat source is....
The sun
100
The temperature outside was -10 C when you went to school. Now it is +5. How many degrees warmer is it now?
15 degrees warmer.
100
What three things do animals do in winter?
They adapt, migrate, or hibernate.
100
What is a thermometer?
An instrument used to measure temperature.
200
A marshmallow cooking in a fire is an example of what kind of heat transfer?
radiation
200
What heat source is caused from rubbing your hands together?
Friction
200
When you go from a hot tub into a swimming pool, how does the water feel?
Colder than it really is.
200
Give 2 examples of animals that adapt in winter.
Rabbit, squirrel, blue jays, chickadees, cedar wax wings, foxes, coyotes, deer, moose--you get the idea.
200
What is our body temperature?
37 degrees celsius
300
The transfer of heat through a solid is called? Give an example.
Conduction: a hot dog sizzling in a pan, pancakes on a griddle, a spoon getting hot in a bowl of soup, ice melting in your hand.
300
Most Alberta homes are heated using this heat source--what is it called.
Natural Gas
300
What takes up more space: water or snow? Why don't we eat snow?
Snow. We don't eat it because it is filthy.
300
Give 3 examples of animals that hibernate.
Bears, skunk, ground squirrels
300
What is the boiling point of water? The freezing point?
boiling point is 100 degrees Celsius. The freezing point is Zero degrees Celsius.
400
Heat is transferred in three ways: list the 3 ways.
conduction, convection, radiation
400
What heat source requires being 'plugged in' and give 3 examples.
Electricity: oven, griddle, iron, space heater, computer, hair dryer, electric frying pan, GC machine....
400
When preparing bath water, how should you test it to make sure it is safe?
Use your elbow.
400
Tell three things that you can do to cool off on a hot summer day.
Go swimming, sit in the shade, drink something cold, go in an air conditioned building or basement, have a water fight!
400
What is it called when our body temperature drops? What does our body do to try and stop it?
Hypothermia. We shiver to help increase our body temperature.
500
What are the 2 best conductors of heat?
metal and glass
500
List the 5 heat sources.
sun, friction, fuel, electricity, the human body.
500
What does warm blooded mean?
Our body temperature stays the same whether it is hot or cold outside--we say it is constant.
500
It is 20 degrees below zero, how can you warm up? List 4 ways.
Drink something warm, have a hot bath, put on a sweater or wrap up in a blanket, sit by a fire, snuggle up with your mom or dad.
500
What happens when our body temperature goes up? How does our body try and recover?
We have a fever (sick). We sweat to try and cool off.
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