STAAR Review #2 8th Grade Science

STAAR Review #2 8th Grade Science

Assessment

Flashcard

Science

8th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What indicates a new substance has formed when mixing two clear liquids?

Back

A yellow solid forms and then settles to the bottom of the beaker.

2.

FLASHCARD QUESTION

Front

As the _________ of a star increases, what happens to its luminosity?

Back

Luminosity increases.

3.

FLASHCARD QUESTION

Front

What is the term for the orbiting of an object around another object?

Back

Revolution.

4.

FLASHCARD QUESTION

Front

How often does the moon phase cycle repeat?

Back

About every 29 days.

5.

FLASHCARD QUESTION

Front

What are forces that have a net force of zero called?

Back

Balanced forces.

6.

FLASHCARD QUESTION

Front

What is the definition of a balanced force?

Back

Forces acting on an object that are equal in size and opposite in direction, resulting in no change in motion.

7.

FLASHCARD QUESTION

Front

What is the definition of an unbalanced force?

Back

Forces that cause a change in the motion of an object because they are not equal and opposite.

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