midterm exam staar released

Front

Why does the sun appear brighter than other stars?

Back

The sun is closer to Earth than any other star.

Front

What causes a coin to change its motion when tossed in the air?

Back

The force of gravity causes the coin to change its velocity.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Front

What are the three objects that make up the Alpha Centauri system?

Back

Stars.

Front

What observation indicates a chemical reaction has occurred?

Back

The temperature of the vinegar increased during the reaction.

Tags

NGSS.MS-PS1-2

Front

What is the definition of gravity?

Back

Gravity is the force that attracts two bodies toward each other.

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Front

What is inertia?

Back

Inertia is the tendency of an object to resist changes in its state of motion.

Tags

NGSS.MS-PS2-2

Front

What is a chemical reaction?

Back

A process that leads to the transformation of one set of chemical substances to another.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is the Milky Way galaxy?

Back

The Milky Way is the galaxy that contains our solar system.

Tags

NGSS.MS-ESS1-2

Front

What is the difference between a star and a planet?

Back

A star produces its own light, while a planet reflects light from a star.

Front

What is the significance of light-years in astronomy?

Back

A light-year is the distance that light travels in one year, used to measure astronomical distances.