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Cells
Energy
Biomes
Atmosphere
Changes of state
100
The tough, rigid outer coverings that protect plant cells and give them shape
What is the cell wall?
100
The energy that is carried by a current.
What is electrical energy?
100
A cold dry treeless region.
What is the tundra
100
The lowest level of the atmosphere. Where all life could be found.
What is the troposphere?
100
When a liquid turns to a solid
What is freezing?
200
The organelle typically know as the powerhouse of the cell, where the energy in food is released.
What is mitochondria?
200
The energy stored in an object due to its position.
What is potential energy?
200
A cold forest region dominated by cone-bearing evergreen trees.
What is the taiga
200
The level of atmosphere that contains the ozone layer.
What is the stratosphere?
200
When a solid turns to a liquid
What is melting
300
All cellular activities are directed by this organelle. This organelle also contains the DNA.
What is the nucleus?
300
The energy an object has due to its motion
What is kinetic energy?
300
The trees in this biome lose their leaves every autumn. In the United States this biome is located East of the Mississippi river.
What is the temperate deciduous forest
300
The level of the atmosphere that protects us from meteors
What is the mesosphere?
300
When a liquid turns to gas
What is vaporization
400
A series of folded membranes in which material can be processed and moved around inside of the cell.
What is the endoplasmic reticulum?
400
The energy stored in bonds between atoms.
What is Chemical energy
400
This region is located near the equator. Warm weather and vast biodiversity can be found in this biome.
What is the tropical rainforest?
400
When gas turns to a liquid
What is condensation?
500
The organelle responsible for protein production.
What are ribosomes?
500
The energy carried by light.
What is radiant energy?
500
The driest biome on Earth. There is less than 25cm of rain annually.
What is the desert?
500
The highest level of the atmosphere that reaches space.
What is the exosphere?
500
When a solid turns to a gas
What is sublimation?