Energy
The ability to do work or cause change?
What is energy?
A force that pulls objects toward each other.
What is gravity?
A device that makes work easier by changing the size or direction of a force.
What is a simple machine?
The center of our solar system.
What is the Sun?
The preserved remains or traces of organisms from the past.
What are fossils?
The type of energy an object has when it is moving?
What is kinetic energy?
A push or a pull that can cause an object to move, stop, or change direction.
What is a force?
The type of simple machine that a ramp is.
What is an inclined plane?
The planet closest to the Sun.
What is Mercury?
They help scientists learn about ancient life and Earth’s history.
What are fossils?
The type of energy stored in a stretched rubber band.
What is potential energy?
A force that resists motion between two surfaces that are touching.
What is friction?
The simple machine used when opening a bottle with a bottle opener.
What is a lever?
The planet known as the Red Planet.
What is Mars?
The type of rock most likely to contain fossils.
What is sedimentary rock?
When a flashlight is turned on, the chemical energy in its battery changes into these two forms of energy.
What are light energy and heat energy?
What happens when two magnetic poles of the same type are brought together.
What is they repel each other?
The simple machine that helps lift a bucket of water from a well.
What is a pulley?
The path a planet follows as it moves around the Sun.
What is an orbit?
This term describes Earth’s history over millions and billions of years.
What is geologic time?
This law states that energy cannot be created or destroyed, only transferred or transformed.
What is the law of conservation of energy?
What happens when two magnetic poles of different types are brought together.
What is they attract each other?
This simple machine is found on a bicycle, where the wheel rotates around an axle.
What is a wheel and axle?
The force that keeps planets in orbit around the Sun.
What is gravity?
T or F, Fossil layers can show which organisms lived earlier and how life changed over time.
True