Sky From Earth
Earth in Space
Gravity & Motion
Phases & Tides
Earth's Moon
100
Name 3 things you can see in the sky on a clear night

moon, planets, meteors, comets

100

Earth moves in 2 major ways: ____________ and __________.

Rotation & Revolution

100

What is gravity?

The attractive force between 2 objects; the force that moves objects downhill

100

Name 3 phases of the moon.

Full, new, 1/3rd quarter, waxing/waning crescent, waxing/waning gibbous 

100

True or false: the moon is only really really cold

False: it's really flipping hot too!

200
A ______________ is a pattern or grouping of stars imagined by people to represent figures.

Constellation

200

Earth has seasons because its ________ is tilted as it revolves around the sun.

Axis
200

A force is a _________ or _________.

Push or pull

200

The changing positions of __________, _________, and _______ determine the phases of the moon.

Sun, Earth, and moon
200

The moon is about as wide as what country?

The United States

300

True or False: A comet is a streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere.

False: Meteor

300

What is the difference between revolution & rotation?

Rotation is the Earth's spinning on its axis. Revolution is Earth's trip around the sun.

300

How are mass and weight different? (Which one is determined by gravity?)

Mass is how much matter is in an object. Weight is a measure of how much gravity is acting on you.
300

What is a tide?

The rising and falling of the Earth's oceans

300

The dark spots on the moon are called ________?

Maria

400

The apparent motion of objects in the sky depends on the ______________ of Earth.

Motions
400

In what 2 months do solstices occur?

June & December 

400

The strength of gravity depends on mass and __________?

The distance between the objects

400

True or false: a neap tide has the highest high tide and the lowest low tide of the month.

False: Spring tide

400

What caused the dark spots on the moon?

Lava!

500

What is a satellite?

An object that orbits a planet

500

In what 2 months do equinoxes occur?

March & September

500

Inertia and __________ combine to keep Earth in orbit around the sun.

Gravity

500

The gravitational pull of the _______ and _______ cause tides on Earth.

Sun and moon
500
What is the Collision-Ring Theory? (Where do scientists think the moon came from?)

Billions of years ago a planet-like object collided with Earth. Pieces of that object and Earth flew into space. These objects formed a ring around Earth because of gravity. Over time gravity pulled the objects together and rounded them into the moon