space quiz

how old is the sun

• 10 billion years old

• 5 billion years old

• 4 billion years old

• 25 billion years old

Tags

NGSS.MS-ESS1-1

The health of a water system is determined by the balance between what variables (choose all that apply)?

• physical

• physiological

• biological

• chemical

Tags

NGSS.MS-LS2-3

What makes the moon shine at night?

• The moon reflects the light from the Earth.
• The moon provides its own light.
• The moon reflects the light from the sun.
• The moon burns like a star.

Tags

NGSS.MS-ESS1-1

Which of the following is responsible for Earth's seasons?

• the orbit of the Earth around the Sun and Earth's rotation

• the orbit of the Earth around the Sun and rotation of the Sun

• the rotation of the Earth and the Sun

• the tilt of Earth's axis and its orbit around the Sun

Tags

NGSS.MS-ESS1-1

Which of the following helps explain why the planets remain in motion around the sun?

• density

• gravity

• inertia

• both gravity and inertia

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What is the molecular structure of table salt?

• Sandwich

• Molecular who?

• H2O

• NaCl

Tags

NGSS.MS-PS1-1

Water with high turbidity 

• is cloudy and hard to see through
• is clear

Tags

NGSS.MS-LS2-1

This picture shows Earth's

• Rotation
• Revolution

One complete revolution of Earth around the sun takes about

• 180 days
• 300 days
• 365 days
• 385 days

Tags

NGSS.MS-ESS1-1

A molecule with electrically charged areas is called a _______________.

• magnet
• polar molecule
• solution
• electrical molecule