Module 1 Quiz 1

A  hydrogen bonds

B  nonpolar covalent bonds

C  ionic bonds

D  polar covalent bonds

A  stays the same

B  increases slightly

C  decreases slightly

A  gas

B  liquid

C  solid

A  increasing the H+ ion concentration

B  increasing the ocean temperature

C  decreasing the H+ ion concentration

D  decreasing the amount of carbonate ions

A  contracts

B  expands

C  evaporates

D  becomes more dense

A  1

B  2

C  10

D  100

A  H2O

B  H2

C  CH4

D  O2

A  hydrogen bond

B  covalent bond

C  van der Waals interaction

D  ionic bond

A  approximately 8 grams

B  approximately 8 amu (daltons)

C  approximately 16 amu (daltons)

D  approximately 16 grams

A  total number of electrons

B  mass number

C  number of valence electrons

D  number of neutrons

A  16 neutrons

B  16 protons

C  16 protons and 16 neutrons

D  8 protons and 8 neutrons

A  sodium

B  nitrogen

C  calcium

D  iron

A  helps the scientist determine whether a treatment has a significant effect on the experimental group

B  is required for the development of an “If . . . then” statement

C  provides extra experimental subjects

D  means that an experiment will be repeatable

A  mammals

B  plants

C  animals

D  fungi

A  the organization of life

B  natural selection

C  mutualism

D  an emergent property

A  the biosphere

B  a population

C  an ecosystem

D  a biological community

A  kinetic energy

B  oxygen

C  carbon dioxide and water

D  chemical energy in glucose molecules

A  water molecules

B  sodium (Na+) ions

C  acids

D  bases

A  acts as a base

B  increases the pH

C  is a strong buffer

D  dissociates completely

A  high surface tension

B  high specific heat

C  adhesion

D  evaporative cooling

A  NaCl dissolves more in pure water

B  NaCl dissolves more in methanol

A  liquid

B  gas

C  solid

A  one atom transfers an electron to another atom

B  two atoms share a pair of electrons equally

C  two atoms share a pair of electrons unequally

D  two atoms share a pair of protons equally

A  sharing a single electron between two atoms

B  transferring an electron from one atom to another

C  sharing a pair of electrons between two atoms

D  sharing a pair of protons between two atoms

A  NaCl

B  N2

C  H2

D  O2

A  a covalent bond

B  an ionic bond

C  a hydrophilic bond

D  a hydrogen bond

A  number of protons + neutrons

B  number of electrons

C  protons

D  atomic number

A  carbon, hydrogen, nitrogen, oxygen

B  carbon, oxygen, phosphorus, hydrogen

C  carbon, sodium, hydrogen, nitrogen

D  oxygen, hydrogen, calcium, nitrogen

A  making a list of all of the bird species observed at a feeder

B  comparing the growth of ten seedlings grown under white light and another ten seedlings grown under red light

C  using a microscope to observe organisms

D  comparing the growth of ten seedlings grown under white light at 30°C and another ten seedlings grown under red light at 25°C

A  He documented change in organisms over time.

B  He observed variation within a species.

C  He explained how evolution occurs.

D  He explained the relationship between genes and evolution.

A  Archaea

B  Eukarya

C  Protista

D  Animalia

A  a population

B  the biosphere

C  an ecosystem

D  a biological community

A  kinetic energy

B  oxygen

C  carbon dioxide and water

D  chemical energy in glucose molecules