Earth
Body Systems
Cells and Organisms
Rocks
Alive, Or Is It?
100
The outermost layer of the Earth.
What is the crust?
100

Breaks down food.

What is the digestive system?

100
The smallest unit needed for life.
What is a cell?
100
A naturally occuring solid mixture of one or more minerals and organic matter.
What is a rock?
100
Lives in and on the human body.

What is a microorganism?

200
The center of the Earth.
What is the core?
200

Transports oxygen and other molecules throughout the body.

What is the circulatory sytem?

200
It is made up of one or more cells.
What is an organism?
200
A naturally formed solid matter that has crystalline structure.
What is a mineral?
200

Atoms to molecules to cells to tissues to organs to organ systems to this.

What is organisms?

300
The layer of the Earth between the crust and the core.
What is the mantle?
300

Allows us to move.

What is the skeletal system?

300

It stores the DNA of the organelle.

What is the nucleus?

300
Rocks that form when hot, liquid rock (magma) cools.
What are igneous rocks?
300

Basic needs of every organism.

What are water, air, a place to live, and food.

400
Large pieces of the lthosphere that move around on the Earth's surface.
What are tectonic plates?
400

Made up of the brain, spinal cords, and nerve.

What is the nervous system?

400

Does not contain a nucleus.

What is a prokaryotic cell?

400
Rocks whose structure, composition, and texture have changed from those of the original rock.
What are metamorphic rocks?
400

Makes their own food.

What is a plant?

500
Vibrations that move away from an earthquake.
What are seismic waves?
500

Helps control mood, development, and growth.

What is the endocrine system?

500
Animals, plants, and humans.
What are multicellular organisms?
500
Rocks formed when grains of rock or minerals (sediments)are buried, squeezed together, and cemented by minerals.
What are sedimentary rocks?
500

Organelles float in this.

What is a cytoplasm?

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