Rocks that formed from magma cooling either slowly or rapidly
What are Igneous Rocks?
We reenacted physical weathering by doing what to our rock samples
What is rock tumbling?
An example of chemical weathering is
What is Acid Rain?
True or False: All soil consists of the same amount of humus, pebbles, gravel, sand, and clay
False
Natural, nonliving solid crystals that make up rocks
What are minerals?
Rocks that form by breaking into smaller pieces , knows as sediment, and cementing together
What are Sedimentary Rocks?
This is when a seed falls into a crack in a rock and causes the rock to break into smaller pieces
What is root wedging?
In our acid rain investigation, bubbles indicated...
What is a chemical reaction?
This is the part of soil that consists of decomposed animals and plants
What is humus?
Eroded material that settles on land or at the bottom of a body of water
What is sediment?
Rocks that have changed as a result of heat or pressure
What are Metamorphic Rocks?
This occurs when water gets in a crack in a rock and freezes and expands and then melts in a repeating cycle
What is ice wedging?
What is vinegar?
The soil from a river delta would consist mostly of...
What is clay (silt)?
Scientists who study rocks
Who are Geologists?
Molten rock that comes from deep inside the Earth's core
What is Magma?
Thus type of weathering doesn't affect what the rock is made of
What is Physical Weathering?
This is what happens when metals come in contact with acid rain
What is oxidation (rust)?
Describe the type of soil that you would find out on the nature trail and tell me why
More humus and gravel than sand and clay
True or False: All rocks are made of minerals, are natural, and are a solid
True
These types of rock helps scientists study the history of the Earth
What are fossils?
Name two ways that big rocks can break down from big pieces to smaller pieces
What is wind, water, root wedging, ice wedging, erosion, natural disasters, human activity, etc.?
This type of weathering affects the chemical composition of the rock due to chemical reactions
What is Chemical Weathering?
When soil settles out and we can easily see the different layers that make up soil, this part of soil settles out first because it is the heaviest
What are pebbles?
The recycling of old rock into new rock is known as the ...
What is the Rock Cycle?