Chemistry Vocab Quiz
Independent Variable
The Thing You change in an Experiment Answer: The Thing You change in an Experiment
dependent Variable
The Thing You measure in an Experiment Answer: The Thing You measure in an Experiment
Control Variable
Answer: The group that stays the same in an Experiment. Called the controlled group it is the opposite of the experimental group. Or The variables that you keep constant/controlled in the experimental group
Hypothesis
Answer: A proposed guess to a question based on previous knowledge on the subject. What you think the outcome will be in an experiment.
Base names in the Metrics System.
-Liters -Meters -Grams Answer: -Liters -Meters -Grams
Atom
Answer: The collection of protons, Neutrons and electrons. The basic unit of chemical elements.
Element
Answer: A collection of identical atoms. A single substance on the periodic table. (Chnops)
compound
Two elements bonded together H20 co2 h202 etc… Answer: Two elements bonded together H20 co2 h202 etc…
Proton
A positively charged particle in an atom, it is found in the nucleus Answer: A positively charged particle in an atom, it is found in the nucleus
neutron
A neutral particle in an atom, it is found in the nucleus Answer: A neutral particle in an atom, it is found in the nucleus
electron
Answer: A Negatively charged particle in an atom, it is found in electron shells around the nucleus.
Moleclue
Answer: A large group of elements that are bonded together. The key is that there must be at least two different elements to be a molecule.
Carbohydrates
Sugars, Short Term Energy found in carbon rings Answer: Sugars, Short Term Energy found in carbon rings
Protein
Answer: Used for structure, enzymes, etc… Made of Amino Acids Must be folded to be functional
Lipids
Also known as fats long term energy storage made of fatty acids Answer: Also known as fats long term energy storage made of fatty acids
Nucleic Acids
Holds genetic information DNA/RNA made of nucleotides Answer: Holds genetic information DNA/RNA made of nucleotides
Macromolecules
Very Large Molecules Nucleic Acids Lipids Carbohydrates Proteins Answer: Very Large Molecules Nucleic Acids Lipids Carbohydrates Proteins
Fats
Answer: Also Called Lipids Found as Solids or Liquids, found in the human body and are important for normal body function in low amounts.
Homeostasis
Keeping a steady state in the body. Sweat when hot shiver when cold Answer: Keeping a steady state in the body. Sweat when hot shiver when cold
Cohesion
Water Sticking to water surface tension Answer: Water Sticking to water surface tension
Adhesion
Water sticking to other things. Capillary action Answer: Water sticking to other things. Capillary action
Activation Energy
Answer: The amount of energy it takes for a chemical reaction to occur. Enzymes speed up reactions by lowering activation energy.
Enzyme
Answer: A protein that puts chemicals in perfect orientation and proximity to promote a chemical reaction. They speed up chemical reactions by lowering activation energy.
solvent
The liquid portion of a solution. Answer: The liquid portion of a solution.
solute
The solid that was dissolved in the solvent to create a solution. Answer: The solid that was dissolved in the solvent to create a solution.
ph
Answer: H20 H+ + OH- if a solution has high h+ it is an acid. If a solution has high OH- it is a base.
H+ (Hydrogen Ion)
Answer: H20 H+ + OH- H+ = Acid
Oh- (Hydroxide Ion)
Answer: H20 H+ + OH- Oh- = Base