Global Warming
What is a greenhouse effect?
Heat is trapped and can't escape.
What are two examples of a renewable resource?
solar, biomass, wind, hydro
Hybrid
Mix of two
Explain why there are some places with no winter.
The countries close to the equator are not affected by the tilt of the sun and receive sunlight all year round.
How does carbon dioxide contribute to global warming?
It traps the heat in earth's atmosphere.
Why don't we use solar powered cars?
Can't use in every environment
What is a hemisphere?
The world cut in half north to south.
Constant
continuous
Explain where we encounter the greenhouse effect in our daily lives.
What are the effects of global warming?
Ocean levels rise
Animals can die
Climates can change
What is the problem with hybrid electric vehicles?
They still use fossil fuels that pollute the earth
What are some reasons that the earth's weather changes?
temperature, geography, humans, air pressure, earth's tilt
Migrate
Move from one place to another
Explain how a straw works with air pressure?
When you suck, the air pressure near your mouth is lower. Liquids go to where there is less pressure.
What are 3 examples of fossil fules?
Gasohol
Why do we have seasons?
Alternative
Other option
What is special about birds bones that help them fly?
They are hollow or have air sacs.
What do some scientists argue against humans causing global warming?
The earth warms and cools naturally.
Name 3 advantages of riding a bike instead of driving a car. Name 3 disadvantages.
Answers may vary.
What are some things that help birds fly?
muscles
wings
lightweight body
Efficient
Doing the most work with as little as possible
Why is Mr. Wan the greatest teacher in the world? Use evidence and science.
Answers may vary.