Compost & Human Impact on Soil
What option is not good for soil?
Sand, Silt, Clay or Salt?
Salt
What is Soil? What is it made of?
Soil is the upper layer of the earth's surface and is a mix of organic material, broken rock, and minerals.
It pollutes the air, soil and water.
What are the 3 types of rocks?
Sedimentary, Igneous, Metamorphic
Which type of rock is made after a volcanic eruption?
Igneous
_______ is a substance used to destroy pests like insects.
Pesticide
Why is Soil important?
Plants need soil to grow. Soil helps give us fresh air. Soil gives organisms a place to live. Soil helps to clean water.
Which is not a soil particle?
Iron, Clay, Silt, Sand
Iron
What is the Rock Cycle?
The rock cycle is used to describe how rocks are formed, how they break apart, and how they reform into other rocks.
Which kind of mineral is the hardest according to Moh's scale?
Diamond
Complete the sentence: _________ is a fertilizer made up of natural materials like plants.
Compost
What is the very bottom horizon of soil called?
Bedrock.
What are the 3 particles that make up soil?
Silt, Sand, and Clay
What are the physical properties of rocks?
Lustre, Hardness, Streak, Magnetism, Transparency
Marble is an example of what kind of rock?
Metamorphic
Which option would not be good to put in a compost bin?
Banana peel, apple core, dead leaves, leftover meat
Leftover Meat
What can you do to help prevent erosion?
Plant shrubs and trees.
What is the study of the history of life on earth called?
Paleontology
What is a rock?
A rock is a solid material formed by nature made of minerals.
Limestone is an example of which type of rock?
Sedimentary
Why do farmers use pesticides?
To add salt to soil, to make compost, to kill insects, or to make plants grow faster?
To kill insects.
Soil erosion is the washing or blowing away of the top layer of soil.
How do worms help the environment?
They eat dead plants like leaves and break them down into rich soil. By moving in the soil, they add air to the soil, which makes it easier for plants to grow.
What is a mineral?
A mineral is created by nature and form the earth's rocks and soils.
Complete the sentence:
______ describes rocks that are made when pebbles, sand and mud are all compressed as layers.
Sedimentary