What Is Biology
What is the way of gaining knowledge about the natural world.
Science
What is the Cell theory?
Living things are made of cells
What is matter?
matter is anything that has mass and takes up space.
What is a chemical reactions?
Change of one substance into another (shown by the chemical equations)
What pH range is a base?
7-8
The law of gravity is and example of what law?
Scientific Law
"Characteristics are transferred from parents to offspring within chromosomes" is what theory?
Gene Theory
How many elements does a compound have?
2 or more
Exothermic happens when?
Energy is emitted during the reaction
An acid is when?
The pH level is under 7
What is affected by other factors?
Dependent varibles
What is homeostasis?
Keeping this constant
How do you know its a chemical substance?
it has a definite make up.
What is a conservation of matter?
Matter cannot be created or destroyed under normal conditions
A base is when?
What is an experiment?
An investigation
Changes over time is what?
Evolution
Organic compounds are found in what?
Living organisms
What type of reaction happens when energy is absorbed during the reaction?
Endothermic
What is hydrogen bonds?
Keeps water int he liquid phase even though it shouldn't be at room temp
Who changes the Independent Varible
The experimenter
What category does maintaining homeostasis (internal stability) fall under?
The characteristics of life
What does a organic compound do?
Makes stable bonds with many elements including other carbons.
What is activation energy?
Energy required to start a chemical reactions
Water is a?
Neutral