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What does that mean?
Compare/ Contrast
Tools
Pre-fixes
Chemistry of Life
100
What is an atom?
The smallest basic unit of matter
100
Contrast endothermic and exothermic energy.
endothermic-absorbs more energy than it releases exothermic-releases more energy than it absorbs
100
What does a microscope do?
Make substances on glass slides visible.
100
Bio-
life
100
Enzymes lower the _____ and increases the ______.
Activation energy, Rate of chemical reactions
200
What is an ion?
An atom that has gained or lost one or more electrons
200
What is the relationship between monomers and polymers?
Polymers is a large molecule made of any monomers bonded together. or Monomers make up polymers.
200
What are graduated cylinders used for?
Used to measure liquid volume.
200
Geo-
Earth
200
What are the 4 main types of Carbon based molecules that are found in living things.
1.Carbohydrates 2.Lipids 3.Proteins 4.Nucleic Acids
300
What is a reactant?
The substance that is changed during a chemical reaction.
300
How are catalysts and enzymes connected?
Enzymes are catalysts for chemical reactions in living things.
300
What is a test tube holder used for?
Hold test tubes
300
Derm-
Skin
300
How do Carbon atoms have unique bonding properties?
Has 4 unpaired electrons in it's outer energy level. Can form up to 4 other covalent bonds.
400
What is metabolism?
All of the chemical processes that build up or break down materials.
400
Contrast cohesion and adhesion
cohesion- attraction among molecules of a substance adhesion- attraction among molecules of different substances
400
What is a funnel used for?
Helps poor liquids into small openings without spilling them.
400
Hetero-
Different
400
What does DNA stand for?
Deoxyribonucleic acid
500
What is an ecosystem?
A physical environment with different species that interact with one another and nonliving things.
500
What is the relationship between DNA and a gene?
A gene is a segment of our DNA
500
What are safety goggles used for?
To protect your eyes while experimenting.
500
Cyto-
Cell
500
Besides the level of acidity, what does the pH scale measure?
Hydrogen ion concentration