Show:
Earth
Solar System
Discoveries & Inventions
Science Rules
Famous Scientists
100
The outermost layer of the Earth.
What is the crust?
100

This is the largest planet in the Solar System.

What is Jupiter?

100

This is the reason everything eventually falls to the ground.

What is gravity?

100

A method of research in which a problem is identified, data is gathered and tested, and a question in answered.

What is the scientific method?

100

This famous scientist invented the lightbulb and the motion picture camera.

Who is Thomas Edison?

200
The center of the Earth.
What is the core?
200
This is the planet that is farthest from the Sun.

What is Neptune?

200

This is the idea that over time, the animals with the more advantageous genes will live to reproduce because of the struggle for survival.

What is Natural Selection?

200

It's an educated guess, which is usually tested using the scientific method.

What is a hypothesis?

200

This famous scientist invented bifocals and discovered the theory of electricity. He was NOT President.

Who is Benjamin Franklin?

300
The layer of the Earth between the crust and the core.
What is the mantle?
300

This is the planet that we are most hopeful could one day sustain human life.

What is Mars?

300

This was invented by Alexander Graham Bell and produced the beginnings of AT&T.

What is the telephone?

300

The variable being manipulated, or changed, to see how it affects the item being tested.

What is an independent variable?

300

This famous scientist is considered the Father of Evolution and coined the phrase Natural Selection.

Who is Charles Darwin?

400

This is what the Earth is tilted "on".

What is its axis?

400
The planet closest to the Sun.
What is Mercury.
400

Invented by Isaac Newton, this device used mirrors to refract light that entered it to enhance the visual it produced.

What is the refracting telescope?

400

The variable that changes depending on what you manipulate, or change. (Usually a measurement of size or time)

What is a dependent variable?

400

This famous scientist is known for her work with Chimpanzees and for her discovery of their capability of higher level thinking.

Who is Jane Goodall?

500

This is the reason we have tides.

What is the Moon?

500
The planet that is no longer a planet.
What is Pluto?
500
Discovered by Galileo Galilei, this idea caused him to be publicly humiliated and sentenced to house arrest for the rest of his life.

What is the solar system revolves around the sun?

500

A principle,or idea, that explains a phenomena, that is backed by evidence and data.

What is a scientific theory?

500

This famous scientist is known for his discovery of Gravity and his contributions to optics.

Who is Isaac Newton?