Physical Science Exam Review PART 2

Which statement is an acceptable hypothesis about an experiment to determine which color lights will grow the tallest plants?

• Green lights will be the best.

• I think blue lights will grow the tallest plants.

• Measurements and accurate data recording are necessary.

• Red lights will grow the tallest plants.

Tags

NGSS.MS-LS1-5

Which of the following equals "speed"?

• acceleration/time

• (change in velocity)/time

• distance/time

• displacement/time

Tags

NGSS.MS-PS3-5

Which of the following is NOT accelerating?

• moving at a constant velocity

• slowing down

• turning at a constant speed

• speeding up

The total force felt by an object is the _____force.

• unbalanced

• balanced

• net

• strong

Tags

NGSS.MS-PS2-2

Which of the following enables a motorcycle to roll?

• gravity

• static friction

• sliding friction

• rolling friction

Acidic solutions taste _____.

• salty

• sour

• sweet

• NEVER taste acids!!!!

Basic solutions ________.

• taste sweet

• react with acids to form an explosion

• feel slippery

• produce hydronium ions

A _____ is a push or a pull.

• force

• Newton

• collision

• momentum

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Newton's First Law of Motion is summarized by ____.

• "An object accelerates in the direction of an applied force"

• "In the absence of forces, a moving object eventually comes to a stop"

• "An object keeps on doing what it is doing"

• "For every action, there is an equal and opposite reaction"

Newton's Second Law of Motion is summarized by ____.

• "An object accelerates in the direction of an applied force"

• "In the absence of forces, a moving object eventually comes to a stop"

• "An object keeps on doing what it is doing"

• "For every action, there is an equal and opposite reaction"

Tags

NGSS.MS-PS2-2