Science Multiple Choice Questions 4th grade

Which best explains why Earth has seasons?

• Earth's tilted axis and its revolution around the Sun

• The Sun gets hotter and colder throughout the year

• Earth moving closer to and farther from the Sun

• Changes in Earth's rotation speed

Tags

NGSS.MS-ESS1-1

What happens to most of the energy in a food chain?

• It is stored forever in plants

• It is transformed into water

• It is lost as heat at each transfer

• It increases at each level

Tags

NGSS.MS-LS2-3

When a solid changes directly to a gas, this process is called:

• Condensation

• Sublimation

• Evaporation

• Melting

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which factor would most affect the size of ocean waves?

• Ocean depth

• Wind speed and duration

• Water temperature

• Moon phase

In a closed system, what happens to the total amount of matter?

• It gradually increases

• It stays the same

• It slowly decreases

• It changes based on temperature

Tags

NGSS.MS-PS1-5

What is the main function of mitochondria in cells?

• Store genetic information

• Produce energy for the cell

• Control what enters and exits the cell

• Create proteins

Tags

NGSS.MS-LS1-2

Which best describes how earthquakes are measured?

• By counting fallen buildings

• By measuring ground movement with seismographs

• By timing how long they last

• By calculating temperature changes

What role do decomposers play in an ecosystem?

• They produce their own food

• They eat only plants

• They break down dead organisms

• They create oxygen

Tags

NGSS.MS-LS2-3

How do adaptations develop in a species?

• Through individual choice

• Through natural selection over generations

• Through immediate environmental changes

• Through learned behaviors

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

What happens to water molecules as they freeze?

• They move faster and spread out

• They move slower and come closer together

• They stop moving completely

• They move slower and spread out

Tags

NGSS.MS-PS1-4