What do you call renewable energy that comes from the sun?
Solar energy
100
Heat always flows from ___________ to ____________.
Hot to cold
100
What does it mean to conserve energy?
save it or not use as much
100
When a spring is compressed, what type of energy does it have?
Potential
200
Other than fossil fuels, what resource is nonrenewable?
Nuclear
200
Give an advantage of using wind energy
No pollution,
Doesn't use fossil fuels
200
The water in Lake Conroe is about 53 degrees this week. In August, it should be about 80 degrees. This will happen because of thermal __________________.
Radiation
200
According to the graph, what do most families use the most energy on?
Heating and cooling
200
Look at the picture of the person on the swing. Where is the kinetic energy the greatest?
At Y
300
What does nonrenewable mean?
Can't be replaced in a short amount of time
300
Give a disadvantage of hydroelectric power.
Can be expensive or harm the marine environment
300
My hand touches the table and the table feels cool. This is because of _________________.
Conduction
300
This morning I ate breakfast and walked my dog. ______________ energy was transformed into ______________ energy.
chemical to mechanical
300
Look at the picture of the person on the swing. Where is the kinetic energy the least?
At X & Z
400
What is an advantage of coal?
Cheap, found all over the world, easy to move
400
Renewable energy that comes from the burning or organic material is called _____________.
biomass
400
A test tube of hot water (colored red) is placed into a large beaker of cold water. You observe the hot water rising to the top, then cooling and sinking down. This is due to ___________________.
Convection
400
Sometimes energy seems lost in a transformation. This is because it may be lost to heat or ____________.
Sound
400
Where would a roller coaster have the greatest potential energy?
At the top of the first (highest) hill
500
What is a disadvantage of nuclear power?
Harmful waste
500
Renewable energy from heat within the earth is called ____________________.
Geothermal
500
The 3 types of heat transfer are:
conduction, convection, and radiation
500
Sunlight shines on a tree and the tree produces glucose. ______________ energy is transformed into _____________ energy.
Radiant to chemical.
500
Wile E Coyote falls from a cliff. His _____________ energy is transformed into _______________ energy.