OGW 8

Match the following scientists with their theory

• earth-centered universe

• Copernicus

• three laws of planetary motion

• Kepler

• laws of universal gravitation

• Newton

• sun-centered universe

• Ptolemy

This name means "wanderers"

• planets

• space

• meteors

• stars

What term refers to the distance between the earth and the sun?

• astronomical unit

• light year

• space

• a long way

What are the two points inside an ellipse called?

• foci

• spots

• astronomical unit

• focus

What is made up of the sun and all the heavenly bodies that orbit it?

• Milky Way

• Solar System

• the universe

• space

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

What are the only two planets with no moons?

• Venus and Mercury

• Mercury and Mars

• Mars and Neptune

• Venus and Pluto

The earth completes one rotation every _______ hours.

• 24

• 23 1/2

• 30

• 365

What term refers to the time it takes for a comet to complete its orbit?

• unit

• period

• rotation

• revolution

Which band of comet-like objects is located beyond Neptune's orbit?

• Kuiper belt

• astroid belt

• ellipse

• ozone layer

Which tide occurs when the moon is in line with the earth and sun?

• neap tide

• spring tide

• diurnal tide

• high tide

Tags

NGSS.MS-ESS1-1