The Moon
The Sun
Eclipses
Small Solar System Objects
100

Why can we see the Moon at night?

It reflects sunlight.

100

What gives the Sun its energy?

Nuclear fusion.

100

What is an eclipse?

One space object blocks another.

100

What is a dwarf planet?

A small planet that shares its orbit.

200

How big is the Moon compared to Earth?

About one-quarter the size.

200

What are sunspots?

Dark, cooler spots on the Sun.

200

What is a lunar eclipse?

Earth blocks sunlight from the Moon.

200

Where is the asteroid belt?

Between Mars and Jupiter.

300

What does “phase-locked” mean?

The same side of the Moon always faces Earth.

300

What is the Sun’s surface called?What is the Sun’s surface called?

The photosphere.

300

What is a solar eclipse?

The Moon blocks the Sun from Earth.

300

What are comets made of?

Ice and dust.

400

Why does the Moon look different each night?

The Sun lights it from different angles.

400

Why do we only get a small part of the Sun’s energy?

Most of it doesn’t reach Earth.

400

Why don’t we see eclipses every month?

The Moon’s orbit is tilted.

400

What causes meteor showers?

Earth goes through comet dust.

500

What would happen to tides if there was no Moon?

They would be much smaller.

500

What are solar winds?

Particles from the Sun that can affect Earth.

500

Why can’t you look at a solar eclipse without glasses?

It can hurt your eyes.

500

What is the difference: meteoroid, meteor, meteorite?

Meteoroid = in space, meteor = in sky, meteorite = hits Earth.

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