Lab Safety
Atoms
Characteristics of Life
Properties of Water
Macros
100
You should always wear these to protect your eyes during experiments.
What are goggles?
100
The center of an atom.
What is the nucleus?
100
The smallest unit of life.
What is a cell?
100
The two elements that make up water.
What are hydrogen and oxygen?
100
The four macromolecules of life.
What are carbohydrates, lipids, proteins, and nucleic acids?
200
Eating or drinking in the lab is ________.
What is not allowed?
200
The particle with a positive charge.
What is a proton?
200
All living things maintain a stable internal environment.
What is homeostasis?
200
A molecule with slightly positive and negative charged ends is called this.
What is a polar molecule?
200
The main source of quick energy for living things.
What are carbohydrates?
300
You must immediately report these to your teacher if they happen.
What are accidents or spills?
300
A bond formed when atoms share electrons.
What is a covalent bond?
300
The genetic material found in all living things.
What is DNA?
300
The type of bond between water molecules.
What is a hydrogen bond?
300
The building blocks (monomers) of proteins.
What are amino acids?
400
Before starting any experiment, you should always read these.
What are the lab instructions or safety procedures?
400
A bond formed when electrons are transferred between atoms.
What is an ionic bond?
400
The process by which species change over long periods of time.
What is evolution?
400
This property allows water to stick to other water molecules.
What is cohesion?
400
This macromolecule stores long-term energy and makes up cell membranes.
What are lipids?
500
The red symbol with a flame warns of this type of hazard.
What is a flammable material?
500
Atoms of the same element with different numbers of neutrons.
What are isotopes?
500
All living things use this to grow, move, and reproduce.
What is energy?
500
Because water dissolves many things, it is called this.
What is the universal solvent?
500
Enzymes do this to chemical reactions.
What is speed them up by lowering activation energy?