What Is Biology
The study of life
The chemistry of life
Biochemical Reactions
pH
100

What is the way of gaining knowledge about the natural world.

Science

100

What is the Cell theory?

Living things are made of cells 

100

What is matter?

matter is anything that has mass and takes up space.

100

What is a chemical reactions?

Change of one substance into another (shown by the chemical equations)

100

What pH range is a base?

7-8

200

The law of gravity is  and example of what law?

Scientific Law

200

"Characteristics are  transferred from parents to offspring within chromosomes" is what theory?

Gene Theory 

200

How many elements does a compound have?

2 or more 

200

Exothermic happens when?

Energy is emitted during the reaction 

200

An acid is when?

The pH level is under 7

300

What is affected by  other factors?

Dependent varibles

300

What is homeostasis?

Keeping this constant 

300

How do you know its a chemical substance?

it has a definite make up. 

300

What is a conservation of matter?

Matter cannot be created or destroyed under normal conditions 

300

A base is when?

The pH level is from 7-14
400

What is an experiment?

An investigation

400

Changes over time is what?

Evolution 

400

Organic compounds are found in what?

Living organisms 

400

What type of reaction happens when energy is absorbed during the reaction?

Endothermic

400

What is hydrogen bonds?

Keeps water int he liquid phase even though it shouldn't be at room temp

500

Who changes the Independent Varible 

The experimenter 

500

What category does maintaining homeostasis (internal stability) fall under?

The characteristics of life 

500

What does a organic compound do?

Makes stable bonds with many elements including other carbons. 

500

What is activation energy?

Energy required to start a chemical reactions 

500

Water is a?

Neutral

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