Science Earth And Space Flashcards
What is a renewable source?
A source that can be used over and over again
What are some examples of renewable sources?
Wind power, sun power, biomass, hydropower and hybrid
What is a non-renewable source?
A source that is know as a fossil fuel and as at is mined causing pollution and makes greenhouse gases and is not unlimited.
What are some examples of non-renewable sources?
Coal and crude oil. (Some times nuclear)
What does earth look like from outer space
A pale blue dot.
Why shouldn’t we run in a safety lab?
Because you could run into someone, hurting them or causing them to mess up there experiment.
Why is it important to where safety glasses in the lab?
Because safety glasses protect your eyes from harmful chemicals.
What do greenhouse gases to do the atmosphere?
Some go into the atmosphere but others stay in the atmosphere causing the natural temperature to rise slowly over time.
What fraction does transportation have in the affect of greenhouse gases.
half
Which animal did over populate and had to be controlled by the white settlers?
Kangaroos
Why weren’t the aboriginals allowed to go into the water?
Because that was there drinking water
What percent of fossil fuels will be gone by 2050
90%
What types of sources take to transport food rom one place two another?
Crude,oil/fossil fuels and your own energy.
In about twenty years how do you think we will power our cars?
Hybrid engines, solar and possibly wind powered.
What a test tube stand?
A stand that hold test tubes
