Vocabulary
What is energy?
What is the ability to do work?
What is an energy transfer?
Movement of energy from one place to another
What are fossils turned into?
Oil, natural gas, coal
Give an example of elastic energy.
A stretchy rubber band, archer's bow/arrow
Holding a ball over your head is an example of what energy?
Potential due to the amount of energy being stored.
What is potential energy?
Energy that is stored in an object, typically not in motion
What is energy transformation?
When energy changes into a different form
Name one reason why fossil fuels are widely used
They are cheap and easy to drill
What form of energy is a lava lamp?
Thermal and/or chemical energy
When would a rollercoaster cart have the most kinetic energy-- at the top of the ramp or on the way down?
On the way down.
What is kinetic energy?
Energy in motion
Name an example of an energy transfer
Answers may vary (ball hitting a bat/catching a ball)
What percent of the world's energy is supplied by fossil fuels?
An apple falling from a tree is an example of what form of energy?
Gravitational energy
What is the name of a scientist who studies force, matter, and energy?
A physicist
What are fossil fuels?
Dead animals and plants
Answers may vary (ie. battery in a flashlight, firework, gassing up a car)
Who or what is affected by the big machinery used to drill for fossil fuels?
Plants and animals
What are the three types of potential energy?
Chemical, gravitational, and elastic energy
What does work mean?
Work is moving against a force.
What is the conservation of energy?
Energy cannot be created or destroyed, only transferred or transformed.
Name the energy transformations that a firework undergoes
Potential and kinetic. When ignited, it transforms to light, thermal, and sound energy.
What is a disadvantage to using fossil fuels?
Negative effect on our earth's environment and atmosphere
Give an example of chemical energy
How would you design a ramp to make a toy car go as far as possible?
With a high ramp to increase the gravitational potential energy.