Forces and Motion
A push or a pull.
What is a force?
An animal that has about the same body temperature all the time.
What are warm-blooded animals?
All the living and non-living things and the environment in which they interact.
What is an ecosystem?
The amount of matter in an object?
What is mass?
What is sound?
A non-contact force that keeps objects on the ground.
What is gravity?
Particles of electricity
What is an electric charge?
All the living things of one kind in one area.
What is a population?
The amount of space that an object takes up
What is volume?
rapid back-and-forth movements
What are vibrations?
A force that acts only when one object touches another.
What is a contact force?
Electric charges built up on a surface of an object.
What is static electricity?
all the living things in one area
What is a community?
solid, liquid, and gas
hitting, rubbing, blowing, shaking, and plucking
What are ways an object can vibrate?
The pushing or pulling force caused by a magnet.
What is magnetism?
Charges that push away from each other.
What are repelling charges?
Organisms that help break down dead organisms and decaying matter.
What are decomposers?
The name of the gas when a water evaporates.
What is water vapor?
is waves
How does sound travel?
Direction, distance, and speed.
What are the descriptions of motion?
A material that allows electricity to flow through it easily.
What is a conductor?
Beaver buildings dams, heavy flooding, fires, or humans cutting down multiple trees.
What are changes in an ecosystem?
When matter changes and forms a new matter
What is a chemical change?
How high or low a sound is
What is pitch?