Science Review

A large sphere of gases that produces light through nuclear reactions defines a -

• Galaxy

• Nebula

• Planet

• Star

A cloud of gas and dust that forms new stars is -

• A meteor
• A planet
• A galaxy
• A nebula

A system of billions of stars, gas and dust bound together by gravity is called -

• A planet
• A nebula
• A galaxy
• A moon

Tags

NGSS.MS-ESS1-2

The force of attraction that exists between celestial bodies is called -

• Galactical transfusion forces

• Gravity

• Friction

• Magnetic Forces

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which of the following correctly orders components of the universe from smallest to largest?

• Moon, Nebula, Galaxy
• Galaxy, Nebula, Moon
• Nebula, Moon, Galaxy
• Moon, Galaxy, Nebula

Which of the following correctly orders components of the universe from largest to smallest?

• Universe, Galaxy, Nebula, Star
• Universe, Nebula, Galaxy, Star
• Star, Nebula, Galaxy, Universe
• Star, Galaxy, Nebula, Universe

Compared to the rest of the stars, our sun is considered...

• Extremely Large and Cold
• Small with a medium temperature
• Medium size with medium temperature

In comparison to the Sun, Betelgeuse is -

• Brighter and hotter
• Dimmer and hotter
• Brighter and cooler
• Dimmer and cooler

Which star is the coldest?

• Yellow Star
• Red Star
• Orange Star
• Blue Star

All of the following statements about the sun are true, EXCEPT-

• Our sun has an average temperature.

• Our sun is the only star in our solar system and it is located at the center.

• Our sun appears to be bigger and brighter than all other stars because it is the closest to us.

• Our sun is one of the largest stars in the galaxy.