Science Tools & Skills
Earth & Space
Movements in Space
Stars & Beyond
Forces & Phenomena
100

The systematic study of the structure and behavior of the physical and natural world through observation, experimentation, and the testing of theories against the evidence obtained.

What is Science?

100

The planet on which we live; the world.

What is Earth?

100

The oval-shaped path an object follows as it revolves around another object in space.

What is Orbit?
100

A space object that gives off its own heat and light.

What is Star?

100

A force that pulls objects towards each other.

What is Gravity?

200

Based on or characterized by the methods and principles of science.

What is Scientific?

200

A ball shape.

What is Sphere?

200

To spin around a fixed point.

What is Rotation?

200

A group of stars that forms a recognizable pattern in the sky.

What is Constellation?

200

A push or pull on a mass that can change the object's motion.

What is Force?

300

To ask for information or investigate something to find out more. Uses evidence from observations and investigations to create logical explanations and answers questions.

What is Inquiry?

300

A celestial body moving in an elliptical orbit around a star.

What is Planet?

300

A single trip around another object.

What is Revolution?

300

How bright a star appears compared with other stars when all are viewed from Earth.

What is Apparent Brightness?

300

An unpiloted, unmanned device sent to explore space and gather scientific information.

What is a Space Probe?

400

A system of methods used in a particular area of study or activity.

What is Methodology?

400

A stone pillar, typically having a square or rectangular cross-section and pyramidal top, set up as a monument or landmark.

What is Obelisk?

400

An imaginary line through the center of an object that is a fixed point of reference.

What is Axis?

400

How bright a star is from a standard distance of 32.6 light-years.

What is Absolute Brightness?

400

An event when the moon’s shadow blocks all or some of the sun's light from reaching Earth.

What is a Solar Eclipse?

500

A device used to form magnified images of distant objects. It is an important investigative tool in astronomy. It provides a means of collecting and analyzing radiation from celestial objects, even those in the far reaches of the universe.

What is Telescope?

500

A half-sphere of the Earth.

What is Hemisphere?

500

Four divisions of the year (spring, summer, autumn, and winter) marked by particular weather patterns and daylight hours, based on the Earth's changing position to the sun.

What is Season?

500

Massive clouds of dust and gas where stars are formed.

What is Nebula?

500

An event when the moon passes directly behind Earth and into its shadow.

What is a Lunar Eclipse?

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