Comprehensive Science Review

The more heat the particles contain, the faster they move about. In which state of matter do the particles have the MOST heat?

• in both a solid and liquid

• in a liquid

• in a gas

• in a solid

Tags

NGSS.MS-PS1-4

If the temperature of an object is 30° C, which of the following temperatures would indicate the MOST heat that was removed from this object?

• 40° C

• 30° C

• 20° C

• 10° C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In a chemical reaction, 300 grams of hydrogen peroxide are combined with 200 grams of manganese dioxide. According to the Law of Conservation of Mass, what will be the mass of the product?

• 500 grams

• 300 grams

• 200 grams

• 100 grams

Tags

NGSS.MS-PS1-5

Which one of the following is NOT an example of a chemical change?

• gas burning on a stove

• rust forming on an iron fence

• sugar dissolving in a glass of water

• using electricity to break down water into hydrogen and oxygen

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

When a candle is lit, the wick burns, the wax melts, the candle changes shape, and the air around the candle heats up. Which of the following is an example of a chemical change?

• the air around the candle heating up

• the candle changing shape

• the wax melting

• the wick burning

Tags

NGSS.MS-PS1-2

Which of the following would definitely increase the rate of a reaction?

• decrease the size of the container

• increase the size of the container

• decrease temperature

• increase temperature

Tags

NGSS.HS-PS1-5

Jamie has 3 glow sticks. She puts one in boiling water, another in ice water and another in room temperature water. What situation below is correct?

• The glow stick placed in the boiling water will be brightest but will last less time than the other glow sticks.

• The glow stick placed in the ice water will be the brightest but will last less time than the other glow sticks.

• The glow stick placed in the room temperature water will be the brightest and will last more time than the other glow sticks.

• All three glow sticks will have the same brightness for the same amount of time.

Tags

NGSS.MS-PS1-4

What energy source controls the water cycle?

• Heat energy from the Earth's core

• Heat energy from the Earth's oceans

• Heat energy from the sun

• Heat energy from the mantle

Tags

NGSS.MS-ESS2-4

What is most likely to cause humidity during our summer months?

• groundwater bubbling to the surface

• runoff from inland mountains

• flooding from rivers and streams

• evaporation from the surface of the ocean

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What is an example of physical weathering?

• acid rain

• rusting iron

• formation of the Appalachian Mountains

• a volcano erupting