Rocks and Minerals

What are the 3 main categories of rocks?

• Lava, Fossils, and Pebbles
• Sedimentary, Igneous, and Metamorphic
• Crystals, Pebbles, and Quartz
• Limestone, Crystals, and Mica

What are igneous rocks made from?

• Sand
• Lava
• Mud
• Pebbles

True or False: Metamorphic rocks are formed from intense heat and pressure.

• True
• False

What are sedimentary rocks made out of?

• Lava
• Magma
• Sand, shells, and pebbles
• Heat and Pressure

True or False: Rocks are made out of minerals.

• True
• False

What are some properties that are used to describe minerals?

• Hardness, streak, and colour
• Length and height
• Weight
• Roughness

True or False: If a mineral can scratch glass, the glass is harder than the mineral

• True 
• False

What is the hardest substance on Moh's scale of Hardness?

• Gold
• Talc
• Diamond
• Topaz

True or False: In a streak test, the colour of the streak always matches the colour of the mineral

• True
• False

A metallic lustre means that a mineral looks shiny. Is this mineral metallic?

• Yes
• No