Vocabulary
A person who studies rocks.
Who is a geologist?
A white or cream colored rock formed from volcanic ash.
What is tuff?
Rocks can be sorted based on _____________.
What is color, size, texture, weight, shape, shininess, and/or hardness? (only one answer needed - multiple teams may answer for points)
Name three things that can be made with rocks.
What are concrete(sidewalks), asphalt(roads), bricks and other building materials, monuments and statues, decorative elements in gardens and landscapes, jewelry, etc. (Multiple answers / multiple teams may answer)
This is created when you rub two rocks together.
What is dust?
Smaller than pebbles, but bigger than sand.
What is large and/or small gravel?
The layer of material that is bigger than clay, but smaller than sand.
What is silt?
This happens to clay when exposed to air.
What is it dries out?
___________ can be used to sort rocks by their size.
What are screens?
A dark gray colored volcanic rock formed by the rapid cooling of lava.
What is basalt?
By rushing waters and strong winds.
What is how rocks move?
The reason there are course, medium and fine grit sandpaper.
What is the size of the sand particles?
The process of breaking down of rocks by the environment.
What is weathering?
Smaller than sand and silt.
What is clay?
All rocks are made of ____________, but in different kinds and amounts.
What are minerals?
Name of a common mineral that is used to help flavor food.
What is salt?
Organic material in soil that comes from the decay of plant and animal matter.
What is humus?
A reddish volcanic rock formed from the top layer of lava.
What is scoria?
The places that rocks can be found on earth.
What is everywhere?
Particles of tiny rock, sand, minerals and the remains of dead plants and animals as well as air, water and living things.
What is soil?