TEST A

Which of the following is NOT a step in the scientific method?

• forming a hypothesis

• collecting data

• Analyzing results

• Accepting the hypothesis without testing

What is the SI unit for measuring force?

• Joule

• Newton

• Watt

• Pascal

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which of the following best describes Newton's first law of motion?

• Force is equal to mass times acceleration

• For every action there is an equal and opposite reaction

• An object at rest stays at rest, an object in motion stays in motion, unless acted upon by an unbalanced force

• The acceleration of an object depends on the force acting on it and its mass

What is work?

• Any activity that requires effort

• Force multiplied by distance in the direction of the force

• The rate at which energy is transferred

• The ability to do work

Tags

NGSS.MS-PS3-5

Which type of simple machine is a wheelbarrow an example of?

• Lever

• Pulley

• Inclined plane

• Wheel and axle

What is the sound range in which humans can hear?

• 0 - 100 Hz

• 20 - 20,000 Hz

• 50,000 - 100,000 Hz

• 200 - 200,000 Hz

Which of the following materials is not magnetic?

• Iron

• Nickel

• Copper

• Cobalt

Tags

NGSS.MS-PS2-3

What happens to the magnetic field as you move farther away from the magnet?

• It increases

• It decreases

• Remains constant

• It changes randomly

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is the definition of an independent variable?

• X-axis

• What is being changed

• Y-axis

• The control

What is the control in an experiment?

• An idea

• The directions

• A reference point

• A variable

Tags

NGSS.MS-PS2-2