Show:
Potential/Kinetic
Energy Resources
Energy Transformations
Force/Speed
Solar System
100
What is kinetic energy?
What is the energy of motion.
100
Name the 3 fossil fuels.
What is coal, oil, and natural gas
100
Which energy transformation occurs when a flashlight is turned on? A. mechanical> light> electrical B. chemical> electrical> light C. chemical> heat> mechanical D. electrical> mechanical> chemical
What is B. chemical> electrical> light
100
Lauren completed the 200m dash in 20.0s. What is her average speed?
What is 10m/s
100
What force keeps the planets orbiting the sun?
What is Gravity
200
What is potential energy?
What is stored energy.
200
What are 2 disadvantages to using nuclear energy?
What is it is nonrenewable and produces radioactive waste
200
Explain how a wind turbine converts mechanical energy to electrical energy.
What is wind energy turns the blades of a turbine, the blades turn the generator, and energy moves from the generator to the power lines.
200
A car travels at a constant speed of 50m/s. What is the distance traveled by the car in a 5.0 second interval if D=SxT?
What is 250m
200
A rocky object orbiting in space that is 250km wide and is located several times farther from the Sun than Earth. The object is most likely... A. Venus B. the moon C. an asteroid D. a star
What is C. an asteroid
300
When does a roller coaster have the most potential energy? A. At the top of a hill B. At the middle of the hill as its going down. C. At the bottom of the hill
What is A. at the top of the hill.
300
Name the 5 renewable energy resources.
What is biomass, solar, hydroelectric, wind, geothermal
300
Which best describes what happens to the energy a person has when they play the piano? A. All of the energy becomes sound B. Some energy become sound, some energy become heat. C. Some energy becomes sound, some energy gets destroyed. D. All energy gets destroyed.
What is B. Some energy become sound, some energy become heat.
300
Draw a distance over time graph that indicates a car traveled at a constant speed.
*see teacher example
300
The sun creates a large amount of gravitational force. What would happen if the sun did not exist? A. the planets would stop moving B. the planets would travel in a straight line. C. the planets would continue on their same path.
What is B. the planets would travel in a straight line.
400
When does a roller coaster have equal amounts of potential and kinetic energy? A. At the top of a hill B. At the middle of the hill as its going down. C. At the bottom of the hill
What is B. At the middle of the hill as its going down.
400
Which source of electricity is the most environmentally safe? A. Hydroelectric B. Solar C. Coal D. Natural Gas
What is B. Solar
400
When ice is put in a hot drink, the ice melts and the drink gets cold. What energy transformation has occurred? A. Heat from the drink transferred to the ice. B. The ice transferred cold energy to the drink. C. The ice cube absorbed cold energy from the drink.
What is A. Heat from the drink transferred to the ice.
400
Draw a distance over time graph that shows that a car is stationary.
*see teacher example
400
Which layer of the sun is considered to be its surface layer? A. Corona B. Photosphere C. Convection Zone D. Chromosphere
What is B. Photosphere
500
A rubber-band is fired at a door. When does the rubber-band have the maximum kinetic energy? A. After it's stretched, before firing B. immediately after firing C. just before hitting the door D. immediately after hitting the door
What is C. just before hitting the door
500
Which type of light bulb will save the most energy, a 60 watt incandescent bulb or a 13 watt compact florescent bulb?
What is a 13 watt compact florescent bulb
500
How is energy transferred in a convection current?
What is convection occurs when warmer areas of a liquid or gas rise to cooler areas in the liquid or gas. Cooler liquid or gas then takes the place of the warmer areas which have risen higher. This results in a continuous circulation pattern.
500
A teacher uses a pulley to lift a mass. What will happen to the force when the pulley is used? A. The direction of the applied force will change and the force will be the same. B.Twice the force will be needed to lift the mass. C. No force will be needed to lift the mass. D. No work will be done to the mass.
What is A. The direction of the applied force will change and the force will be the same.
500
What makes the space shuttle different than other vehicles developed by Nasa? A. it was reusable B. It could carry multiple people C. It was airtight D. It could travel beyond the Earth's orbit
What is A. it was reusable.