Earth Science Quiz -Pebbles Sand Silt review

What happened when you rubbed some rocks together?

• we made clay

• we made silt

• we made sand

• we made electricity

What was something you observed when you put rocks in water?

• Some rocks have new shapes

• Some rocks have new colors or patterns

• Some rocks get bigger

• Some rocks grow

What did you do to find silt?

• We made a garden

• We played with sand

• We used a rock tumbler

• We rubbed rocks togeher

How do people use Earth materials?

Earth materials are used ______________

• in making buildings, streets, bricks, sidewalks, and decorations.

• in making trees, food, plastic bags and buildings.

• in making sunlight, drinking straws and bricks.

• in making new hair, streets, sunlight and grubs.

Why are there so many different sizes of rocks?

• volcanoes make different sizes.

• Wind, weather, water, rolling ice, and earthquakes cause pieces to break off (weathering).

• People order different sizes from Lazada.

• Rock tumblers smash them.

A geologist ______________

• is a machine for tumbling rocks.

• is a round rock smaller than a boulder.

• is a person who smashes rocks into sand.

• is a scientist who studies rocks and the Earths surface.

Minerals are ___________

• scientists who study rocks.

• the ways we describe rocks.

• the ingredients that make up rocks.

• the decorations we make from rocks.

Natural Resources _______________

• are things found in special shops.

• are made in factories.

• are only found in residential zones.

• are things from the earth that people use.

Rocks are made of _________

• sugar

• minerals

• marshmallows

• dead plants

Minerals are made of __________

• living materials

• a mix of living organisms

• formed by the weathering processes

• only one ingredient