As an object falls its potential energy is lost to the air around it.
False
Lowering an object decreases its potential energy.
True
What does the Law of conservation of energy state?
energy cannot be created or destroyed, but transferred from one form to another or from one region to another
Give me an example of when work is NOT performed.
Pushing against a wall that doesn't move.
What form of energy is in fossil fuels?
Chemical energy
What is the biggest source of energy while on Earth?
The sun
What kind of energy is stored in a rubber band?
elastic potential energy
Friction causes what energy transformation?
Kinetic into thermal energy
When fireworks explode, how is energy released(three things)?
Light, heat and sound
Finish the sentence: The total amount of energy in the universe _______________.
Remains the same.
Energy that is stored is ________ energy?
Potential
Fossil fuels are renewable energy resources.
false
What is waste energy?
Energy that cannot be used.
What are three nonrenewable resources?
petroleum, natural gas and coal
Give me an example of biomass material.
Wood, peat moss, manure etc.
What kind of energy does a rock on the edge of a cliff have?
potential
Name five types of energy, there are more.
Mechanical, Sound, Thermal, Electric, Radiant, Nuclear, Chemical potential etc.
What can the burning of fossil fuels result in? More than one answer.
Acid rain
What are five renewable resources?
Wind, hydroelectric, solar, geothermal and biomass
Why are fossil fuels considered nonrenewable?
They are being used faster than nature can replace them.
What kind of energy is stored in food?
chemical potential energy
Name the energy transformations that happen when you use a microwave.
Electric to radiant to thermal.
What factors affect that amount of gravitational potential energy something has?
height and mass
What do you feel is the best renewable energy resource. Must tell me WHY.
Open ended.
What is the difference between fossil fuels and biomass?
Fossil fuels are from organisms that have been long-dead. Biomass are from recently dead or other organisms.