Energy
True/False: Energy cannot be created or destroyed; it can only change forms
What is true?
True/False: All magnets are made of metal, and all metal is magnetic.
What is false?
This type of simple machine works by reducing friction
What is a wheel and axle?
An organism that makes its own food is called this
What is a producer?
The process by which plants make their own food
What is photosynthesis?
The scientific name for stored energy (example: a car at the top of a roller coaster)
What is potential energy?
The names of the "ends" of magnets
What are north and south poles?
This type of simple machine has a fulcrum to make lifting things easier
What is a lever?
What is an organism that consumes both plants and animals?
The path a moon or planet travels around another planet or the Sun is called its ____________
What is orbit?
The scientific name for energy in motion (example: a car racing down a roller coaster)
What is kinetic energy?
How opposite magnetic poles behave
What is attract (stick together)?
An example of a pulley is
Answers will vary
Give an example of consumer and explain why
What is any organism that consumes food rather than making it (such as an herbivore, omnivore, or carnivore)?
The four states of matter are ____________
The type of energy found in food
How like poles behave
What is repel (push away)?
Machines that contain two or more simple machines are called this
What are compound or complex machines?
Explain what would happen if we had no decomposers
What is the Earth would be full of plant and animal remains and plants would not have the nutrients in the soil they need to photosynthesize?
Explain the difference between rotation and revolution
What is rotation is spinning (such as the Earth rotating on its axis to give us day and night), and revolution is traveling in a path around another object (such as the Earth revolving around the Sun or the the moon orbiting Earth)?
Give an example of energy being transformed (changed) from one type to another in your house or at school
A compass always points north because of this
What is the Earth's naturally magnetic poles?
Scissors contain these three simple machines
What are wedges, levers, and screws?
Explain the purpose and direction of arrows in a food chain
What is arrows show the transfer of energy from one organism to another and usually point UP or to the RIGHT (although some food chains can move downward as long as they show the correct transfer of energy)
The process by which water vapor changes into a liquid is called this