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

The educated guess scientists make before starting an experiment.

What is a hypothesis?

100

The movement of soil.

What is erosion?

100
This is caused by the moon's gravitational pull.
What are tides?
100

Distance divided by time.

What is velocity?

100

Atoms, molecules, cells, tissues, organs, organ systems to this.

What are organisms?

200

Which variable do you watch and measure throughout an experiment?

What is the dependent variable?

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 bending of waves as they pass through a different medium.
What is refraction?
200

Cell walls, chloroplasts and mitochondria are examples.

What are organelles?

300
When a scientist runs their experiment multiple times to get lots of data points.

What are trials?

300

This is the solid outer part of the Earth, and includes the crust.

What is the lithosphere or mantle?

300
This is the alignment of the Earth, Sun, and moon during a solar eclipse.
What is Earth - moon - Sun?
300
When a roller coaster reaches the top of a hill, it has its maximum of this type of energy.
What is potential?
300
A tick living on a dog.
What is an example of parasitism?
400

The variables scientists keep the same during an experiment.

What are constants?

400

This is the sphere of the Earth which contains glaciers.

What is the hydrosphere?

400

The age of the Earth.

What is 4.5 Billion years?

400

The measure of how much matter there is, and the measurement of how that matter is effected by gravity.

What are mass and weight?

400

The passage of genetic instructions from one generation to another.

What is heredity?

500

The variable scientists manipulate to get their results.

What is an independent variable?

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

A baby planet that has an irregular shape, no moons and an irregular orbit around the Sun.

What is a dwarf planet?

500

When two or more molecules combine or exchange particles.

What is a chemical reaction?

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