NC Check in Physical Science

Which statement is true?

• The light bulb will light up because the  circuit is complete.

• The light bulb will light up because the  circuit is broken.

• The light bulb will not light up because the  circuit is complete.

• The light bulb will not light up because the  circuit is broken.

Electricity is the flow of _________.

• Protons

• Neutrons

• Electrons

What does it mean if an object is transparent?

• Light cannot pass through the object.

• Light is refracted by the object.

• Light passes through the object.

• Light is absorbed by the object.

Tags

NGSS.MS-PS4-2

A concave lens bends light ___________ and makes objects look _____________.

• Diverges; smaller

• Diverges; Larger

• Converges; smaller

• Converges; Larger

What is the bouncing of light from a surface?

• reflection

• refraction

• absorbtion

Tags

NGSS.MS-PS4-2

A student observes ice forming on the edge of a school building. At what temperature did the water outside the school building most likely begin to change to ice?

• 100°C

• 32°C

• 25°C

• 0°C

Tags

NGSS.MS-PS1-4

Which testable question could be used to investigate the effects of force on an object?

• Why do toy cars move?

• Which type of battery lasts the longest?

• Where can magnets be purchased?

• Do balls roll faster on rough or smooth surfaces?

Tags

NGSS.MS-PS2-2

Which would most likely cause a decrease in a population of herbivores?

• an increase in producers

• a decrease in decomposers

• an increase in plants

• an increase in carnivores

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

This is a food chain that includes grass, a grasshopper, and a bird. (grass --> grasshopper --> bird). How is the grass in this food chain best described?

• It is producer, because it makes it own food

• It is a producer, because it is eaten by consumers.

• It is a consumer, because it gets energy from producers

• It is a decomposer, because it breaks down sunlight.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A food chain in an ecosystem includes blackberry bushes, deer, and wolves. (Deer eat blackberries, wolves eat deer). If the population of wolves decreases, how will this affect the population of blackberry bushes?

• It will decrease because there will be fewer deer

• It will increase because there will be fewer deer

• It will decrease because there will be more deer

• It will increase because there will be more deer.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4