Science 4th Grade Quiz A4

A student claims that most deserts are very hot. Which statement best supports the student’s claim?

• Deserts are always cold at night but very hot during the day.

• Deserts usually get very little rain, but they can have cool temperatures.

• Deserts are found only near the equator, where it’s very hot.

• Deserts are found in many places, and the temperature can change a lot.

Use your knowledge of science to answer the question. Which statement best explains how the lungs and the brain work together?

• The lungs send oxygen to the brain.

• The lungs send signals to the brain about breathing.

• The brain tells the lungs when to stop breathing.

• The brain sends signals to the lungs to breathe in and out.

Use your knowledge of science to answer the question.

Which pair of devices shows how electrical energy can be changed into motion energy and light energy when connected to a power source?

• fan and light bulb

• light bulb and microwave

• fan and toaster

• light bulb and radio

Part A Which statement best describes the pattern of where most wildfires occur?

• Most wildfires happen in cold regions.

• Most wildfires happen in places with a lot of trees and dry weather.

• Most wildfires happen in cities and urban areas.

• Most wildfires happen in the middle of oceans.

Tags

NGSS.MS-ESS3-2

Part B How can scientists use the pattern from Part A to help protect people?

• To know where to plant more trees.

• To build more parks in cities.

• To predict and prepare for possible wildfires in areas with dry conditions.

• To prevent rain from falling in dry places.

Tags

NGSS.MS-ESS3-2

Which energy source is nonrenewable and produces fewer pollutants than coal and oil?

• Biofuels

• Wind

• Natural gas

• Solar