Module 1 Quiz 1

A  polar covalent bonds

B  hydrogen bonds

C  nonpolar covalent bonds

D  ionic bonds

A  stays the same

B  increases slightly

C  decreases slightly

A  gas

B  solid

C  liquid

A  decreasing the amount of carbonate ions

B  increasing the H+ ion concentration

C  decreasing the H+ ion concentration

D  increasing the ocean temperature

A  becomes more dense

B  contracts

C  expands

D  evaporates

A  1

B  2

C  100

D  10

A  H2O

B  CH4

C  H2

D  O2

A  ionic bond

B  van der Waals interaction

C  hydrogen bond

D  covalent bond

A  approximately 8 grams

B  approximately 16 amu (daltons)

C  approximately 8 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 protons

B  8 protons and 8 neutrons

C  16 neutrons

D  16 protons and 16 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  means that an experiment will be repeatable

C  provides extra experimental subjects

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

A  plants

B  animals

C  mammals

D  fungi

A  the organization of life

B  an emergent property

C  natural selection

D  mutualism

A  a population

B  the biosphere

C  an ecosystem

D  a biological community

A  carbon dioxide and water

B  chemical energy in glucose molecules

C  kinetic energy

D  oxygen

A  bases

B  acids

C  sodium (Na+) ions

D  water molecules

A  dissociates completely

B  is a strong buffer

C  acts as a base

D  increases the pH

A  adhesion

B  high specific heat

C  high surface tension

D  evaporative cooling

A  NaCl dissolves more in pure water

B  NaCl dissolves more in methanol

A  solid

B  liquid

C  gas

A  one atom transfers an electron to another atom

B  two atoms share a pair of electrons unequally

C  two atoms share a pair of electrons equally

D  two atoms share a pair of protons equally

A  sharing a pair of electrons between two atoms

B  transferring an electron from one atom to another

C  sharing a pair of protons between two atoms

D  sharing a single electron between two atoms

A  N2

B  NaCl

C  H2

D  O2

A  a hydrogen bond

B  an ionic bond

C  a covalent bond

D  a hydrophilic bond

A  number of electrons

B  number of protons + neutrons

C  atomic number

D  protons

A  oxygen, hydrogen, calcium, nitrogen

B  carbon, sodium, hydrogen, nitrogen

C  carbon, hydrogen, nitrogen, oxygen

D  carbon, oxygen, phosphorus, hydrogen

A  using a microscope to observe organisms

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

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

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

A  He documented change in organisms over time.

B  He explained how evolution occurs.

C  He explained the relationship between genes and evolution.

D  He observed variation within a species.

A  Animalia

B  Eukarya

C  Archaea

D  Protista

A  the biosphere

B  an ecosystem

C  a population

D  a biological community

A  carbon dioxide and water

B  oxygen

C  kinetic energy

D  chemical energy in glucose molecules