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100

What is the definition of Carbon Dioxide?

Carbon Dioxide, commonly abbreviated as CO2, is a clear gas composed of one atom of carbon (C) and two atoms of oxygen (O).

100

What is the definition of energy?

Energy is power derived  from the utilization of physical of chemical resources especially to provide light and heat or to work machines.

100

What is the definition of oxygen?

Oxygen is a molecule that organisms get from the air or water around them and use to release energy.

100

What is the definition of starch?

A type of energy storage molecules made of many glucose molecules connected together.

200

What is the definition of cellular respiration?

Cellular respiration is the chemical reaction between oxygen and glucose the release energy into cells.

200

What is the definition of evidence?

Evidence is information about the natural world  that is used to support or go against a claim.

200

What is the definition of proteins?

Proteins is a category of large molecules that perform important functions inside living things.

200

What is the definition of a system?

A set of interacting parts forming a complex whole.

300

What is definition of a chemical reaction?

A chemical reaction is a process which atoms rearrange to form new substances.

300

What is the definition of glucose?

Glucose is a molecule that organisms can use to release energy and that is made of carbon hydrogen,  and oxygen atoms.

300

What is the definition of reasoning?

Reasoning is the process of making clear how your evidence supports your claim.

400

What is the definition of the circulatory system?

The circulatory system is the body system that transports nutrients, respiratory gases and metabolic products throughout a living organism.

400

What is the definition of Metabolism

The chemical processes that occur within a living  organism in order to maintain life.

400

What is the definition of the respiratory system?

The respiratory system is another body system that takes in oxygen and releases carbon dioxide.

500

What is the definition of the digestive system?

The digestive system is another body system that takes in food and liquids and breaks them down into substances  that the body can use for energy, growth and tissue repair.

500

What is the definition of molecule?

Molecules are a group of atoms joined together in a particular way.

500

What is the definition of scientific?

A claim supported by evidence

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