Rocks and Minerals (Grade 3)

What are the 3 major types of rocks?

• Igneous, Metamorphic, Sedimentary

• Metamorphic, Igneous, Dragonglass

• Brown, Red, Grey

• Streak, Hardness, Breakage

This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

Tags

NGSS.HS-ESS2-1

NGSS.HS-ESS2-5

The Mohs scale is used to tell the ___________ of a mineral.

• color
• softness
• hardness

Hot, molten rock inside the earth is called ...

• lava

• magma

• igneous rock

• minerals

Once magma reaches the earth's surface, it is called __________.

• a vent

• minerals

• igneous rocks

• lava

A person who studies the properties of rocks to tell how the rocks may have been formed are ____________.

• mineralists

• geologists

• rock stars

• rockologists

Emily was looking at a rock and saw tiny crystals.  Emily should know that all rocks are made up of _____.

• diamonds
• minerals
• fossils
• dirt

Tags

NGSS.MS-ESS2-1

How do people use rocks?

• for building materials, cleaning, making glass and decorating

• for building and decorating

• for cleaning

• to play rock, paper,scissors

Rocks that come from hot lava and magma that is cooled and hardened are called:

• Metamorphic

• Igneous

• Sedimentary

• Comets

Rocks that are made from bits of rock that have been pressed together under water are called:

• Metamorphic

• Igneous

• Sedimentary

• Moonstone

Tags

NGSS.MS-ESS2-1