Earth's Layers & Structure
Plate Tectonics
Weather & Climate
Space Science
Sun-Earth- Moon
100
What is the outermost layer of Earth?

Crust

100

What theory explains movement of Earth's plates?

Plate tectonics

100

What is weather?

Short-term atmospheric conditions 

100
What is the closest star to Earth?

The Sun

100

What causes day and night?

Earth's rotation

200

What layer is below the crust?

Mantle

200

What causes plates to move?

Convection currents in the mantle 

200

What is climate?

Long-term weather patterns

200

What galaxy do we live in?

Milky Way

200

What causes seasons?

Earth's tilt and revolution around the Sun

300

What is the center of the Earth called?

Core

300

What boundary forms when plate collide?

Convergent boundary

300

What tool measures air pressure?

Barometer

300

What force keeps planets in orbit?

Gravity

300

What is a solar eclipse?

Moon blocks the Sun

400

What property increases as you go deeper into Earth?

Temperature and pressure

400

What boundary forms when plates move apart?

Divergent Boundary

400

What process drives the water cycle?

The Sun (solar energy)

400

What is a planet?

A large object that orbits a star

400

What is a lunar eclipse?

Earth blocks sunlight from reaching the Moon

500

What is the difference between the inner and outer core?

Inner core is solid; outer core is liquid

500

What natural events are caused by plate movement?

Earthquakes, Volcanoes, and Mountains
500

How does air pressure relate to weather conditions?

Low Pressure -> stormy weather

High Pressure -> clear weather

500

Why do different planets have different lengths of years?

They orbit at different distances/speeds around the Sun

500

Why do we see phases of the Moon?

Changing positions of Earth, Moon, and Sun

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