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WorksheetsHeat transfer
Total questions: 98
Worksheet time: 1hrs 9mins
The process by which a solid changes to a liquid....
freezing
condensation
melting
evaporation
The process by which a liquid changes to a gas at the liquid's surface....
evaporation
melting
freezing
condensation
The process by which bubbles of gas form throughout a liquid and rise to the surface....
melting
boiling
freezing
evaporating
condensation
Tony observed water droplets forming on the outside of someone else's glass. What conclusion can he draw?
The drink is colder than room temperature.
The drink is warmer than room temperature but below 100oC.
The drink is above 100oC.
The drink is at room temperature.
Trees are so important to our environment because they absorb (sink) which greenhouse gas?
methane
carbon dioxide
water vapor
oxygen
True or False: The greenhouse effect is always bad for our environment.
True
False
Choose all of the following that are alternative (greener) energy sources...
The sun
Wind
Electricity
Water
__________uses heat from the interior of the Earth.
Solar
Geothermal
Nucler
Wind
Turning the water off while brushing your teeth is a good way to REDUCE the amount of water used?
True
False
We should _________ the amount of water we use by turning off the water while we scrub our hands.
reduce
reuse
recycle
We should ... use of cars by walking or riding our bikes.
reduce
reuse
recycle
Compost is the vegetable peels, fruit seeds and cores and other plants that we can use to make healthy soil.
True
False
We should ___________ paper after we've reused it.
reduce
reuse
recycle
We should _________ plastic so it can be made into something new.
reduce
reuse
recycle
Rain falling through polluted air.
natural resources
acid rain
fossil fuel
What year was Earth Day founded?
1999
1979
1970
1997
Who is considered the founder of Earth Day?
Senator Gaylord Nelson
President JFK
First Lady Barbara Bush
President Richard Nixon
About how many pounds of carbon dioxide can an average size tree remove from the air in 1 year?
26 lbs
2,600 lbs
260 lbs
2 lbs
Which country consumes the most energy in the world?
USA
Mexico
Chine
Russia
What is the name of the agency created in 1970 that is designed to protect the environment?
EPA
DEA
FBI
DNR
What's the minimum length of time needed for a plastic bottle to fully decompose?
45 years
4 years
450 years
15 years
