Earth in the Universe

Here is a table of how long it takes each planet to rotate on its axis.

Based on this table which two planets have similar day lengths to each other?

• Mercury

• Venus

• Mars

• Earth

The Moon and Earth have a similar

• rocky terrain

• surface atmosphere

• gravity

• size

Tags

NGSS.MS-PS2-4

Ocean tides result mainly from the Moon's (a)   pull.

Tags

NGSS.MS-PS2-4

Choose all the factors that cause seasonal changes.

• Earth rotates on its axis

• Earth revolves around the Sun

• The Sun has less energy in winter

• Earth's axis is tilted compared to its orbit

Tags

NGSS.MS-ESS1-1

What force of Earth keeps the moon in orbit?

• electrical force

• magnetic force

• centripetal force

• gravitational force

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Planets remain in orbit around the Sun because of (a)   .

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What is "X" and what is "Y"?

• X-comet

  Y- asteroid

• X-Meterorite

  Y- comet

• X-Meteor

  Y-Meteorite

• X-Meteorite

  Y- Meteor

For a total lunar eclipse, the Sun, the Moon and Earth must be in a particular alignment. Choose the correct alignment (straight line).

• Moon, Sun, Earth

• Moon, Earth, Sun

• Earth, Sun, Moon

• Earth, Waxing gibbous moon, Sun

Tags

NGSS.MS-ESS1-1

When the moon is either a full or new moon what type of tides do we get?

(a)  

Tags

NGSS.MS-ESS1-1

An astronomical unit (au) is the distance between Earth and the Sun. It takes about 8 minutes for the energy from the Sun to reach Earth. If Mars is 1.5 au from the Sun, about how many minutes will it take the Sun's energy to reach Mars?

• 8

• 12

• 16

• 4