PE/KE
Graphs
Inclined Planes
Energy Transformations
Energy Sources
100
Potential energy is
What is stored energy?
100
The main difference between a speed and distance graph
What is a straight line in a speed graph is constant velocity, and in a distance graph is at rest?
100
A flat, sloped surface.
What is an inclined plane?
100
Potential + Kinetic
What is mechanical energy?
100
Energy generated or produced by living or once-living organisms
What is biomass?
200
The greatest amount of potential and the least amount of kinetic.
What is point A?
200
At which time is the object at accelerating at a fast constant speed?
What is from 17:15 to 17:45?
200
The longer the inclined plane, the ______ is needed to move the object.
What is less force?
200
Heat will always flow from object A to B if object B has a lower
What is temperature?
200
Advantage of solar energy
What is renewable?
300
A man is pushing a wheelbarrow up a hill, describe what is occurring in terms of energy when the man is halfway up the hill.
What is increasing potential, decreasing kinetic?
300
What is the average speed of the following graph:
What is 50?
300
A disadvantage of using an inclined plane is it uses a
What is a longer distance?
300
Energy transformation when lighting a match
What is chemical to thermal to light?
300
An energy resource that takes millions of years to form from the remains of plants and animals
What is nonrenewable?
400
As the average kinetic energy of a substance increases, the temperature of the sample
What is increases?
400
A car travels 300 meters in 15 seconds. What is the average velocity of the car?
What is 20m/s?
400
Gina wants to make something so that she can send her clothes down to the washing machine and save herself a trip down a flight of stairs. Which simple machine would complete the job and use the least amount of work?
What is an inclined plane?
400
Three types of thermal energy transformations?
What is conduction, convection, and radiation?
400
Scientists researched better ways to protect their environment.
What is recycling nonrenewable resources?
500
When the pendulum swings, at which point is potential and kinetic energy equal
What is point 3?
500
What is my acceleration at 250s?
What is 0.12m/s2?
500
Students pulled the same mass up an inclined plane that was 20 cm, 30 cm, and 40 cm long. Each time, they used a spring scale to measure the force needed to pull the mass up the inclined plane. What did they conclude?
What is the least amount of force needed for the 40 cm plane?
500
The purpose of the panels is to change solar energy into
What is electrical?
500
Name five of the ten energy sources
What is oil, coal, natural gas, biomass, nuclear energy, solar, wind, hydropower, geothermal, and fossil fuels?