The Nature of Science
Earth Science
Space Science
Physical Science
Life Science
100

The various conditions in an experiment.

What are variables?

100
Deforestation can cause this effect on the Earth's surface.
What is erosion?
100

The abbreviation ISS stands for.

What is the International Space Station?

100

the most common measure of temperature used globally.

What is the Celsius scale?

100

The basic unit of life.

What is a cell?

200

The name of the procedure scientists use when conducting experiments. 

What is the Scientific Method?

200
This can occur with the movement of tectonic plates along fault lines.
What is an earthquake?
200
This is smaller than a galaxy but larger than a star.
What is a solar system?
200

This is the bouncing of light off an object.

What is reflection?

200
cell walls and chloroplasts
What is contained in a plant cell?
300

This is when a scientist repeats his own experiment.

What is repetition?

300

This is the upper layer of the earth.

What is the crust?

300
This is the alignment of the Earth, Sun, and moon during a solar eclipse.
What is Earth - moon - Sun?
300

Any substance that can flow and take the shape of its container. 

What is a fluid?

300

an organism that lives on or inside another living organism, like a tick living on a dog.

What is a parasite?

400
This is when one scientist performs the experiment of another scientist.
What is replication?
400

This is the blanket of gas that surrounds the earth.

What is the atmosphere?

400

This is caused by the moon's gravitational pull.

What are tides?

400

the change in state from liquid to gas.

What is evaporation?

400
Thee passage of genetic instructions from one generation to another.
What is heredity?
500

This is not a controlled experiment, but is used when scientists study organisms in their natural surroundings.  Hint: leads to a hypothisis.

What is an observational study?

500
Unlike weather, which can change daily, this is the average pattern of atmospheric conditions such as temperature.
What is climate?
500

The Earth is kept in orbit around the Sun by this force.

What are gravity?

500

the change in state from solid to gas, skipping the liquid phase.

What is sublimation?

500
Failure of a species to adapt to a changing environment may lead to this.
What is extinction?
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