MSTEP Science Review #2

Wind is caused by a difference in pressure from one area to another area on the surface of the Earth. The energy in wind comes from

• ocean currents

• sun's radiation

• jet stream

• climate change

Tags

NGSS.MS-ESS2-5

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What is the name for the type of electricity that happens when you drag your feet on the carpet and shock your friend, or if you rub a balloon on your head and it makes your hair stand on end?

• Current electricity

• Magnetic electricity

• Simple electricity

• Static electricity

The state of matter in which matter has a fixed volume and shape is

• gas

• solid

• plasma

• liquid

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NGSS.MS-PS1-4

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What is the bending of the path of a light wave as it passes from one substance to another of different density called?

• Dispersion

• Reflection

• Refraction

• Absorption

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Andrea uses all her force to push a basketball away from her body and across the floor. She then repeats the same procedure with a bowling ball. How does the movement of the two balls contrast?

• The basketball moves a greater distance because more force is acting upon it.

• The basketball moves a greater distance because it has less mass.

• The bowling ball moves a greater distance because it has more mass.

• The bowling ball moves a shorter distance because less force is acting upon it.

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Which element is the most common element in living things?

• hydrogen

• oxygen

• carbon

• nitrogen

The following illustration shows the forces that are acting upon the box. What type of motion will the forces cause?

• The box will remain in its current position.

• The box will move downward in a straight line.

• The box will move to the right in a straight line.

• The box will move to the left in a straight line.

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NGSS.MS-PS2-1

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The nucleus of an atom contains

• protons only

• neutrons only

• electrons and proton

• protons and neutrons

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NGSS.MS-PS1-1

What is the purpose of a resistor in an electric circuit?

• To store electrical energy

• To increase voltage

• To decrease current

• To convert AC to DC

What is Ohm's Law?

• V = IR

• P = IV

• I = VR

• V = I^2R