Exploring Earth and Its Systems

What is the main reason Earth experiences different seasons?

• The distance from the Sun changes

• The tilt of Earth's axis

• The shape of Earth's orbit

• The speed of Earth's rotation

Tags

NGSS.MS-ESS1-1

Which layer of the Earth is made mostly of solid iron and nickel?

• Crust

• Mantle

• Outer core

• Inner core

What is a biotic factor in an ecosystem?

• Sunlight

• Water

• Plant

• Temperature

Tags

NGSS.MS-LS1-4

Which statement is part of the cell theory?

• All cells have a nucleus

• All living things are made of cells

• Only animals are made of cells

• Cells can live forever

Tags

NGSS.MS-LS1-1

What causes spring tides?

• The Sun and Moon are at right angles

• The Sun, Moon, and Earth are in a straight line

• Only the Sun pulls on the ocean

• Only the Moon pulls on the ocean

Tags

NGSS.MS-ESS1-1

Which of the following is an abiotic factor?

• Grass

• Rabbit

• Soil

• Tree

What is the outermost layer of the Earth called?

• Mantle

• Crust

• Core

• Lithosphere

Which of the following best describes competition between organisms?

• Sharing food

• Fighting for resources

• Living in harmony

• Helping each other

Tags

NGSS.MS-LS2-4

During a neap tide, what is the position of the Sun, Moon, and Earth?

• In a straight line

• At right angles

• All on the same side

• The Moon is behind the Sun

Tags

NGSS.MS-ESS1-1

Which of the following is NOT a function of the Earth's mantle?

• Convection currents

• Producing magma

• Protecting Earth from space debris

• Moving tectonic plates