Rocks
What are rocks made of?
Minerals
It takes a very short time for rocks to form.
False
How are all soils the same?
a. They have the same color.
b. They are made of rocks and once-living things.
c. They have the same texture.
What is the difference between rocks and minerals?
a. They are the same.
b. Rocks are the nonliving part of soil, but minerals are alive.
c. Minerals make up rocks, but rocks do not make minerals.
c. Minerals make up rocks, but rocks do not make minerals.
What is soil made of?
a. Rocks, water, and sand
b. dirt
c. small bits of rock, minerals, and parts from dead plants and animals
c. small bits of rock, minerals, and parts from dead plants and animals.
What are the tiny pieces of rock found on the beach called?
SAND
Rocks come in all shapes and sizes.
True
Which soil does not hold water well?
a. humus
b. sand
c. clay
a. clay
Why are rocks useful tools?
a. All rocks are heavy and good for stacking.
b. Rocks can be chipped or carved.
c. Most modern tools are made out of rock.
b. Rocks can be chipped or carved.
Why should you let mushrooms grown in a garden?
a. They share their nutrients with the soil.
b. They are not harmful.
c. They make the soil healthy by breaking down dead plant and animal parts.
c. They make the soil healthy by breaking down dead plant and animal parts.
Which is an example of a rock?
a. bone
b. ice
c. marble
c. marble
Rocks cannot form from sand.
False
Which tool can be used to observe soil?
a. a thermometer
b. a hand lens
c. a balance
What are pencils, magnets, toothpaste, and jewelry made from?
a. Plants
b. Minerals
b. minerals
Luster, shape or color should be mentioned.
Why are rocks a natural resource?
a. Rocks can be found and used by people
b. Rocks are worth money
c. Even though rocks are everywhere, rocks are made by humans.
D. Even though rocks are everywhere, they aren't very useful.
b. Rocks can be found and used by people.
Rocks are nonliving
True
Which soil is better for growing plants? A light soil or a dark soil
A dark soil.
What type of soil is best for growing plants?
a. soil with clay because it holds water
b. soil with nutrients from bits of dead plants and animals
b. soil with nutrients from bits of dead plants and animals
a. water and clay
b. only living things such as bugs and plants
c. plant parts, decomposed plants and animals, and tiny bits of rocks.
c. plant parts, decomposed plants and animals, and tiny bits of rocks.
Where can you find rocks on Earth?
a. mostly under the grass
b. only in the soil
c. beneath grass, soil, city streets, and the ocean
How can dead animals help soil?
They decompose or rot.
What soil will you find on a beach in Florida?
Sandy soil
Can rocky or clay soil be good for some plants?
a. No. Plants can't grown in rocks or clay.
b. Yes. Rocks can help soil drain, and clay holds water.
c. Yes. Rocks make soil healthy, and clay can help soil drain.
b. Yes. Rocks can help soil drain, and clay holds water.
What is true about soil that can go through a strainer?
a. It is a mixture of large and small rocks.
b. The pieces are too small to see.
c. It is made of small, smooth pieces.
c. It is made of small, smooth pieces.