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Nature of Science
Earth Science
Physical Science
Life Science
This & That
100

The one thing that changes in an experiment.

What is the independent variable?
100

The planet closest to the sun.

What is Venus?

100
A natural force that pulls to the center of the earth.
What is gravity?
100
The first stage of the life cycle of a frog.
What is the egg?
100
A push or pull.
What is force?
200
The things that do not change in an experiment.
What are controlled or constant variables?
200
Earth is a part of this galaxy.
What is the Milky Way?
200
An invisible force of attraction caused by properties of certain materials.
What is magnetism?
200
In the food chain, these make the food.
What are producers?
200
Anything that takes up space.
What is matter?
300
As assumption based on an observation.
What is an inference?
300
The earth's path around the sun.
What is a revolution?
300

Why is it important for scientists to develop more ways to use windmills as sources of mechanical energy? A.  It will change our weather. B.  It will help us save nonrenewable resources used to make mechanical energy C.  It will decrease the effects of severe storms like hurricanes. D.  It will save renewable resources.

What is B.  It will help us save nonrenewable resources used to make mechanical energy

300
The system controls the flow of blood throughout the body.
What is cardiovascular?
300
In magnets, these poles ATTRACT each other.
What are unlike or opposite poles?
400
Which of the following is the main purpose of a scientific investigation?

A.  To prove a scientific law
B.  To determine the investigator's opinion
C.  To answer questions about the natural world
D.  To support results from previous investigations

What is

C. To answer questions about the natural world?

400
This motion results in day and night.
What is rotation?
400
A force that slows or stops motion when two surfaces rub against each other.
What is Friction?
400
This organ squeezes food down from the throat to the stomach. 
What is the stomach? 
400
Three states of matter.
What are solid, liquid, and gas?
500
The information you are trying to measure in an experiment.
What is the dependent variable?
500
Humidity, temperature, air pressure, wind and precipitation.
What are the factors that determine weather?
500
The force that works against an object's motion through a liquid or gas.
What is resistance?
500
Collects and stores urine.
What is the bladder?
500
Sound is created by these back and forth movements.
What are vibrations?