Final Study Guide Part I

Question 1

Steps of the scientific method

Answer 1

Make an observation
Form a hypothesis 
Conduct an experiment to test hypothesis
Data results may be graphed
A conclusion can then be formed as to whether the hypothesis can be supported

Question 2

Independent vs Dependent variables

Answer 2

Independent variables are ones which you can manipulate.

Dependent variables are a measured result of the independent

Question 3

Protons

Answer 3

Located in the nucleus they carry a positive charge

Question 4

Neutrons

Answer 4

Located in the nucleus, they carry a neutral charge

Question 5

Electrons

Answer 5

Negatively charged particles that orbit the nucleus

Question 6

Ionic bonds

Answer 6

Attraction between oppositely charged ions

Question 7

Polar covalent bonds

Answer 7

Unequal sharing of electrons

Results in partial charges on a compound

Question 8

Non-polar covalent bonds

Answer 8

Equal sharing of electrons

Question 9

Hydrogen bonds

Answer 9

Weak electrical attractions between neighboring h2o molecules

Question 10

Elements found in all organic molecules

Answer 10

Carbon, hydrogen, nitrogen, oxygen, phosphorus, sulphur

Question 11

Building blocks of proteins

Answer 11

Amino acids

Question 12

Relationship btw glucose and starch

Answer 12

Both forms of carbohydrates.

Glucose is a monosaccharide and starch is a polysaccharide

Question 13

Dehydration synthesis

Answer 13

H2O is removed and monomers come together to create macromolecules (polymers)

Question 14

Hydrolysis

Answer 14

Macromolecules (polymers) have water added to them to break them down to monomers