HKAGE Earth Science Course Phase II - Presentation Trivia

Which statement is true about rocks?

• Magma is made of solid rock.
• Rocks are made of one or more minerals.
• Crystals are made of rocks.
• Minerals are made of one or more rocks.

Diamond has a hardness of ___ on Mohs Hardness Scale.

• 1
• 5
• 8
• 10

How do you test the hardness of a mineral? 

• Throw it against a wall
• Step on it
• Scratch Test
• Kick it until it breaks

Which minerals would all scratch apatite?

• diamond, topaz, quartz
• quartz, calcite, gypsum
• fluorite, talc, calcite
• diamond, fluorite, corundum

Which mineral would scratch calcite but not scratch apatite?

• fluorite
• gypsum
• talc
• topaz

Which mineral is number 6 on the hardness scale?

• Conrundum
• Topaz
• Quartz
• Orthoclase

What can you infer about graphite from the fact that you can scratch it with just your fingernail?

• It's not very lustrous.
• It's not very hard.
• Its streak is black colored.
• It has fracture.

Which mineral is ranked highest on the Mohs scale? 

• Talc
• Calcite
• Quartz
• Diamond

The name of a scientist that studies rocks and minerals is called a . . . 

• biologist
• geologist
• zoologist
• rockologist

What do all rocks have in common?

• same size
• same color
• contain minerals
• same shape