Science 4th Grade Quiz A6

A student claims that forest fires mostly occur in dry conditions. Which statement best supports the student’s claim?

• Forest fires happen when the weather is rainy and humid, making the trees wet.

• Forest fires are most likely to occur in dry, hot conditions when the forest is very dry and easy to ignite.

• Forest fires occur only in the winter when temperatures are low.

• Forest fires happen when there is no wind or heat in the forest.

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

• The heart sends oxygen to the lungs to help it pump blood.

• The heart sends blood to the lungs, where it picks up oxygen, and then the blood is pumped to the rest of the body.

• The heart sends blood to the brain and helps it breathe.

• The heart and lungs work independently, without sending signals to each other.

Use your knowledge of science to answer the question. Which pair of devices provides evidence that electrical energy can be converted to mechanical energy and sound energy when the devices are connected to a source of electricity?

• fan and radio

• fan and vacuum cleaner

• radio and toaster

• lamp and doorbell

Part A Which statement best describes the pattern of where most volcanoes are found?

• Most volcanoes are located near the center of continents.

• Most volcanoes are located along the boundaries of tectonic plates.

• Volcanoes happen randomly across the Earth's surface.

• Most volcanoes occur in the middle of the oceans.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Part B How can scientists best use the pattern identified in Part A?

• To find areas where volcanoes are least likely to erupt.

• To predict where volcanoes are more likely to form and prepare for eruptions.

• To determine the weather patterns in volcanic regions.

• To create new volcanic islands in the ocean.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

Which statement best describes the environmental impact of biofuels?

• Biofuels produce no pollutants.

• Biofuels produce toxic waste and air pollutants.

• Biofuels produce fewer pollutants than coal and oil.

• Biofuels cause no environmental damage.

Which two energy sources are renewable and have large land use requirements?

Select two answers.

• Biofuels

• Solar

• Wind

• Coal

• Natural Gas