Exploring Matter and Earth's Layers 12/17/2024

What is the shape of a solid?

• Fixed

• Variable

• Expanding

• Compressible

Which of the following best describes a gas in terms of kinetic energy?

• Low kinetic energy

• Moderate kinetic energy

• High kinetic energy

• No kinetic energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

How can you distinguish between a pure substance and a homogeneous mixture?

• By their color

• By their boiling points

• By their density

• By their ability to conduct electricity

Which of the following is an example of a heterogeneous mixture?

• Saltwater

• Air

• Salad

• Vinegar

What evidence indicates a chemical change has occurred?

• Change in shape

• Change in color

• Change in size

• Change in texture

Tags

NGSS.MS-PS1-2

Which of the following is a sign of a chemical reaction?

• Melting

• Boiling

• Production of a gas

• Freezing

Tags

NGSS.MS-PS1-2

What is the outermost layer of the Earth called?

• Inner core

• Outer core

• Mantle

• Crust

Which layer of the Earth is liquid?

• Inner core

• Outer core

• Mantle

• Crust

How do igneous rocks form?

• From the cooling and solidification of magma or lava

• From the compression of sediments

• From the transformation of existing rock types

• From the evaporation of water

What process changes sedimentary rock into metamorphic rock?

• Melting

• Erosion

• Heat and pressure

• Cooling

Tags

NGSS.MS-ESS2-1