The Earth, Moon and Solar System

What force keeps the moon orbiting the earth and the Earth orbiting the sun?

• galaxy

• nature

• gravity

• phases

Two factors effecting the magnitude of force of gravity between 2 objects are...

• weight and mass 
• distance and weight 
• mass and matter 
• mass and distance 

Tags

NGSS.MS-PS2-4

As distance between objects increases the pull of gravity...

• increases 
• decreases 
• Stays the same 

The earth's shape is a

• circle

• square

• sphere

• oval

The time between today's sunrise and tomorrow's sunrise would be about__________. 

• 12 hours
• 24 hours
• 36 hours
• 48 hours

Tags

NGSS.MS-ESS1-1

There are always 24 hrs in each day. Why is this true?

• Earth always rotates on its axis.

• The Sun is at the center of the Solar System.

• The Moon always has the same side facing Earth.

• Earth tilts on its axis.

The time it takes Earth to make one revolution around the Sun is about one _____________.

• 365 days

• 24 hours

• month

• 365.25 days

The Northern Hemisphere is tilted toward the Sun during the months of June,July, and August.What season would be occurring?

• Fall
• Winter
• Spring
• Summer

Tags

NGSS.MS-ESS1-1

Seasons are caused by the _______.

• position of the Moon.
• distance of Earth from the Sun.
• tilt of the Earth as it moves around the Sun.
• Sun getting warmer and colder.

Tags

NGSS.MS-ESS1-1

Which of the following best explains why the Sun appears to move across the sky every day?

• The Sun orbits around Earth.
• Earth rotates on its axis.
• Earth orbits around the Sun.
• The Sun rotates on its axis.

Tags

NGSS.MS-ESS1-1