Which of the following explains why we have night and day?

• the phase of the moon

• the rotation of Earth on its axis

• the revolution of Earth around the sun

• the alignment of planets

Tags

NGSS.5-ESS1-2

Sheila is classifying the rocks in her collection. She knows that limestone often contains fossils. In which category of rock should she classify these rocks?

• igneous

• granite

• metamorphic

• sedimentary

Tags

NGSS.3-LS4-1

NGSS.4-ESS1-1

The picture shows coal, one of Earth's energy resources.

Why is coal a nonrenewable resource?

• It is difficult to mine because it is deep inside Earth.

• It is a resource that can easily be replaced as it is used.

• It is a resource that cannot be replaced as fast as people use it.

• It is the resource that fuels many power plants that make electricity.

Tags

NGSS.4-ESS3-1

Wind, water, and ice are involved in both weathering and erosion. However, weathering and erosion are two different processes. Which sentence below states a difference between weathering and erosion?

• Erosion moves rocks to a new location.

• Weathering moves rocks from place to place.

• Erosion breaks down rocks but doesn't move them.

• Weathering moves rocks without breaking them down.

Tags

NGSS.4-ESS2-1

Florida has many resources used by people.

Which of the items below is not a renewable resource found in Florida?

• wind

• sunlight

• water

• phosphate

Kofi wants to know how two magnets behave when they are together. The magnets below show her experiment.

What must be true of the magnets shown?

• The poles of the magnet attract each other

• The poles of the magnet repel each other

• The two poles are opposites, south and north.

• The two poles are opposites, north and south.

Tags

NGSS.MS-PS2-3

Substances can change in different ways. Sometimes they produce new substances. This is called a chemical change. Which is an example of a chemical change?

• an ice cube melting

• a pencil snapping in two

• an eraser getting smaller

• a cake baking in an oven

Tags

NGSS.5-PS1-4

Pete likes to play the drums. When he strikes the drum with a drumstick, a sound is made. Which of these explains why sound is produced?

• The drumstick vibrates the air.

• The drum absorbs energy from the air.

• The drum transfers vibrations into the air.

• The drum releases potential energy into the air.

Christina knows that wind and water are two sources of energy. Which of the following statements can Christina say is true about both wind and water?

• They are limited in supply on Earth.

• They can be used to generate electricity.

• They can replace all other energy sources.

• They can be used to produce solar energy.

Tags

NGSS.4-ESS3-1

Galileo built the first thermometer. It was called a thermoscope.

Galileo would place his hands on the glass flask. The colored liquid would rise in the tube. What caused the colored liquid to rise in the glass tube?

• The temperature of the colored liquid dropped.

• Galileo's hands were colder than the glass flask

• Heat flowed from Galileo's hands to the colored liquid.

• Galileo put pressure on the flask and squeezed the liquid up.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4