A strong low­-pressure weather system forms off the coast and moves toward a land area. Which weather conditions will likely result from the low­-pressure system?

• clear, sunny skies and calm winds

• mostly sunny skies with little to no precipitation

• partly cloudy skies with little precipitation and light winds

• mostly cloudy skies with moderate to heavy precipitation and strong

  winds

Tags

NGSS.MS-ESS2-5

Which best describes the effect of heavy cloud cover on temperatures at night?

• Temperatures will be cooler than expected.

• Temperatures will be warmer than expected.

• Temperature will change frequently throughout the night.

• There will be no change in temperature throughout the night.

Tags

NGSS.MS-ESS2-5

How does the ocean affect the weather along the coast of North Carolina?

• It causes less wind along the coastal areas than areas farther inland.

• It causes less severe weather along the coastal areas than areas farther inland.

• It causes less change in temperature along the coastal areas than areas farther inland.

• It causes more frequent changes in humidity along the coastal areas than areas farther inland.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which observation describes a change in climate rather than a change in weather?

• The thunderstorm dropped about three centimeters of rain today.

• The average summer temperatures have increased over the last ten years.

• The snowfall in this area was more this week than it was last week.

• The average wind speed in April was less than it was in March.

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS3-5

Which best explains why it is important for people to be able to identify cumulonimbus clouds?

• Cumulonimbus clouds can cause mild showers.

• Cumulonimbus clouds can cause severe thunderstorms.

• Cumulonimbus clouds form near Earth’s surface, causing fog.

• Cumulonimbus clouds form when the temperature is below freezing.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS3-2

Which statement best describes why baking a cake is an example of a chemical change?

• The process takes place in an oven.

• The process requires heat energy.

• The process cannot be reversed.

• The process can be repeated.

Tags

NGSS.MS-LS1-7

NGSS.MS-PS1-2

Gloria’s family built a wood fire in the fireplace. The next day, Gloria noticed that there was no wood left in the fireplace, only ashes. Which best explains this?

• Wood is separated from ashes as it burns.

• Wood becomes a new substance as it burns.

• Ashes have the same properties as wood.

• Ashes are the same substance as wood.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Jennifer left her bike outside, buried in snow. In the spring, when the snow melted, she found her bike covered in rust. Which best describes the change to the bike?

• It was a chemical change, because the bike was a different color.

• It was a chemical change, because the rubber tires were deflated.

• It was a chemical change, because rust can be removed from the metal.

• It was a chemical change, because rust is a new substance on the metal.

Tags

NGSS.MS-PS1-2

A metal chain is left outside on the ground. What happens to the metal chain during the heat of a summer day?

• decrease in weight

• increase in weight

• decrease in length

• increase in length

Tags

NGSS.MS-PS1-4

What conditions are necessary for heat conduction to occur between two objects?

• The objects must be surrounded by air or water.

• Two objects at different temperatures are directly touching one another.

• Two objects at different temperatures are located close to one another.

• One object must emit energy as light and heat and another object absorbs the energy.

Tags

NGSS.MS-PS1-4