Gravity & Inertia
Rotation/Revolution
Tides & Eclipses
Celestial Objects
Solar System
100

Why do the planets orbit the Sun and not Jupiter?

The Sun has a greater mass.

100

The tilt of the Earth's axis of rotation is responsible for the

the seasons.

100

Why does the Moon have a greater influence on Earth's tides rather than the massive Sun?

The Moon is closer to the Sun.

100

A meteorite is DIFFERENT from a comet mainly because it

enters Earth's atmosphere.

100

If the Sun's gravitational pull disappeared, the planets would...

travel in a straight line.

200

The Moon has 1/6 the gravity of Earth because...

it has less mass.

200

Earth's orbit around the Sun is equal to...

one year or 365 days.

200

When the Earth, Sun, and Moon are in a straight line, the gravitational pull causes __________ tides.

spring

200

This celestial object is a rock that has entered Earth's atmosphere and has hit Earth's surface.

meteorite

200

What is the shape of the Earth's orbit around the Sun?

Ellipse

300

Tides are caused by...

gravity.

300

Earth's rotation on its axis is responsible for...

day and night.

300

When the Earth, Sun, and Moon are at a 90-degree angle, the gravitational pull causes ________ tides.

neap

300

The Asteroid Belt is located in between which two planets?

Mars and Jupiter

300
Which planet in our solar system has a ring system?

Saturn

400

If the Sun's gravitational pull disappeared, the planets would...

travel in a straight line at a constant speed.

400

What is the longest day of the year when the Earth is tilted most towards the Sun?

summer solstice

400

What moon phase occurs during a Lunar Eclipse?

Full Moon

400

What is the nickname for a comet?

dirty or cosmic snowball

400

Name the planets in order starting with the planet closest to the Sun.

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

500

State Newton's First Law of Inertia.

An object in motion will stay in motion, an object at rest will stay at rest unless acted 

500

The Northern Hemisphere is tilted toward the Sun, receiving the greatest amount of solar energy than any other time of the year. What season is occurring in the Southern hemisphere?

winter

500

What Moon phase occurs during a Solar Eclipse?

New Moon

500

Which celestial object is nicknamed a 'shooting star'?

meteor

500

Put the following celestial bodies in order from BIGGEST to SMALLEST.

Earth, Milky Way Galaxy, Universe, Solar System

Universe, Milky Way Galaxy, Solar System, Earth