Earth
Life Science
Cells and Organisms
Rocks
Weather
100
The outermost layer of the Earth.
What is the crust?
100

This is the most basic unit of life

What are cell?.

100

Types of this cell include bacteria, protists, and amoeaba.

What are prokaryotic cells?

100
A naturally occuring solid mixture of one or more minerals and organic matter.
What is a rock?
100

This is a big storm that forms over warm ocean waters and carries massive amounts of rain and wind.

What are hurricanes?

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

When many tissues work together, it is called this.

What is an organ?

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

These are fast moving cycles of wind formed over land that cause brief, but massive, desctruction.

What are tornadoes?

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

These organs are responsible for removing toxins from the blood and putting it into your bladder to be excreted through urination.

What are kidneys.

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

The strongest storms are often caused by this type of front.

Cold fronts

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

This may be the stimulus responsible for causing a "flight or fight" response.

What is a surprise or a perceived threat?

400
It controls all of the life processes of the cell.
What is DNA?
400
Rocks whose structure, composition, and texture have changed from those of the original rock.
What are metamorphic rocks?
400

When a piece of warm air is trapped between two masses of cold air and is forced upwards, that is called an _____________ front.

What is an occluded front?

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

This organelle is responsible for creating energy for the cell, and thus the entire body. It's often referred to as the "powerhouse" of the cell.

What is the mitochondria?

500

Animals, plants, and human are all ___________ organisms.

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

Explain why warm air always rises over cold air.

Warm air always rises over cold air because it has higher energy and, therefore, less pressure. This causes the warm air to be less dense and always rise higher in a given space or in the atmosphere. Cold air is denser, has less energy, and has more pressure, so it sinks. 

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