A type of rocked formed deep in the Earth due to high pressure and temperature
What is metamorphic?
100
An example of sedimentary rocks:
What is limestone, sandstone and a fossil?
100
Give the three states of matter AND an example for each:
What is
liquid: milk, juice, water
solid: ice, chalk, marble, book
gas: oxygen, carbon dioxide, helium, water vapor?
100
To change from a liquid to a gas (clouds are made from this state; or water on the glass)
What is condensation?
100
Matter keeps its identity (torn paper; melted butter; cutting; bending; and crushing)
What is physical change?
200
A type of rock formed when molten rock cools and hardens.
What is igneous rock?
200
Halite is used for:
What is table salt?
200
The state of matter that keeps its shape and volume no matter the container it is put into.
What is a solid?
200
The state of matter that changes from a liquid to a gas below the liquids boiling temperature (ex: a puddle drying in the hot sun; steam forming from boiling water)
What is evaporation?
200
A change that results in matter that has a different identity than the original matter (roast marshmallows; steel turning to rust)
What is chemical change?
300
A type of rock formed from layers of weathered and eroded particles.
What is sedimentary rock?
300
Flourite is used for:
What is toothpaste?
300
The state of matter that takes both the shape and volume of the container
What is gas?
300
Compare boiling vs evaporation
Boil-changes from a liquid to a gas at the liquid's boiling temperature. (bubbles form)
Evaporation-changes from a liquid to a gas below the liquids boiling temperature (puddles drying in the sun)
300
The statue of liberty is green because of a chemical change. What is the material called?
What is patina?
400
An example of igneous rock:
What is obsidian, granite or pumice?
400
What is the hardest mineral that will scratch all other rocks?
What is a diamond?
400
The state of matter that keeps its volume but takes the shape of the container.
What is liquid?
400
To change from a liquid to a solid (lava cooling to form igneous rock; water into ice)
What is freezing?
400
When steel turns red-brown it is due to what?
What is rust caused by air and water?
500
An example of metamorphic rock:
What is slate, quartz and marble?
500
What is the softest mineral that can be scratched with your nail?
What is talc?
500
The four changes of states of matter:
What is freezing, melting, boiling/evaporating, and condensing?
500
To change from a solid to a liquid. (ice cube turning to a liquid; heating metal and pouring into a mold)
What is melting?
500
Crumpling a piece of aluminum foil into a ball is a _____ change.