Question 1

An acidic solution would have

Accepted Answer

A)  more hydroxide ions than hydrogen ions
B)  more hydrogen ions than hydroxide ions
C)  a pH less than 7
D)  a pH greater than 7
E)  more hydrogen ions than hydroxide ions and a pH less than 7

Question 2

If an overwhelming body of observations and measurements supports a scientific hypothesis, it becomes known as a(n) ____________________.

Accepted Answer

The answer of If an overwhelming body of observations and...

Question 3

Isotopes differ from each other by their number of

Accepted Answer

A)  Ions
B)  protons
C)  Atoms
D)  neutrons
E)  electrons

Question 4

All organic compounds are characterized by the presence of

Accepted Answer

A)  Carbon
B)  hydrogen
C)  oxygen
D)  nitrogen
E)  phosphorus

Question 5

An example of potential energy is

Accepted Answer

A)  electricity flowing through a wire
B)  the chemical energy in a candy bar
C)  a bullet fired at high velocity
D)  a leaf falling from a tree
E)  water flowing

Question 6

Na is the chemical symbol for ____________________.

Accepted Answer

The answer of Na is the chemical symbol for ____________________....

Question 7

Match the items listed below with the appropriate choice
 
-Which letter represents autotrophs using photosynthesis to convert solar energy into sugar?

Accepted Answer

The answer of Match the items listed below with the...

Question 8

Match items with their appropriate chemical description.
-The chemical symbol for sodium

Accepted Answer

A)  S
B)  H+
C)  Electron
D)  Proton
E)  neutronF) CO2G) NaH) NucleusI) mass numberJ) NO3-K) Isotopes

Question 9

Some forms of electromagnetic radiation with short wavelengths are:

Accepted Answer

A)  Visible light and IR radiation
B)  Visible light and x-rays
C)  x-rays and IR
D)  gamma rays and UV radiation
E)  Visible light and gamma rays

Question 10

Which list of items contains only ions?

Accepted Answer

A)  CO2, H2O, Na+, H-
B)  Na+, H-, Pb, Hg
C)  Pb, Hg, CO2,NaCl
D)  Cl-, Na+, Ca2+, NO3-
E)  NaCl, NO, CO, NaOH

Question 11

Match items with their appropriate chemical description.
-A compound

Accepted Answer

A)  S
B)  H+
C)  Electron
D)  Proton
E)  neutronF) CO2G) NaH) NucleusI) mass numberJ) NO3-K) Isotopes

Question 12

List an example of each of the following terms: element, compound, ion, organic molecule, simple carbohydrate.

Accepted Answer

Possible answers:
Element - ca...

Question 13

Match the items below with the correct energy or matter quality below.
-aluminum ore

Accepted Answer

A)  High-quality matter
B)  Low-quality matter
C)  High-quality energy
D)  Low-quality energy
E)  Both high-quality matter and high-quality energy

Question 14

Match items with their appropriate chemical description.
-The small, dense center of an atom

Accepted Answer

A)  S
B)  H+
C)  Electron
D)  Proton
E)  neutronF) CO2G) NaH) NucleusI) mass numberJ) NO3-K) Isotopes

Question 15

The building blocks of matter are

Accepted Answer

A)  Atoms
B)  Ions
C)  molecules
D)  all of these answers
E)  Matter is only made up of atoms.

Question 16

An atom or group of atoms with one or more net positive or negative charges is called a(n) ____________________.

Accepted Answer

The answer of An atom or group of atoms with...

Question 17

The scientists, with enough data,

Accepted Answer

A)  would be able to prove that there is a correlation between butterfly populations and hot springs
B)  would not be able to prove a correlation between the butterfly populations and hot springs, but could disprove it
C)  Would be able to prove or disprove a correlation, depending on the numbers
D)  would not be able to prove or disprove a correlation between the butterfly populations and hot springs
E)  would be able to prove that there is a correlation between the butterfly populations and hot springs, but would not be able to disprove it

Question 18

Which of the following energy forms is high quality?

Accepted Answer

A)  Coal
B)  the heat dispersed in the ocean
C)  electricity
D)  Food
E)  all of these answers except the heat dispersed in the ocean

Question 19

All of the following are examples of kinetic energy except

Accepted Answer

A)  a speeding bullet
B)  a car battery
C)  a flow of electric current
D)  a falling rock
E)  flowing water

Question 20

Match items with their appropriate chemical description.
-Subatomic particle with a negative charge

Accepted Answer

A)  S
B)  H+
C)  Electron
D)  Proton
E)  neutronF) CO2G) NaH) NucleusI) mass numberJ) NO3-K) Isotopes

Exam 2: Science, Matter, and Energy

Match the items listed below with the appropriate choice -Which letter represents autotrophs using photosynthesis to convert solar energy into sugar?

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The scientists, with enough data,

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Isotopes differ from each other by their number of

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If an overwhelming body of observations and measurements supports a scientific hypothesis, it becomes known as a(n) ____________________.

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Match items with their appropriate chemical description. -The chemical symbol for sodium

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List an example of each of the following terms: element, compound, ion, organic molecule, simple carbohydrate.

Correct AnswerverifiedPossible answers:Element - ca...View AnswerShow Answer

The building blocks of matter are

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Which of the following energy forms is high quality?

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All organic compounds are characterized by the presence of

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An acidic solution would have

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Match items with their appropriate chemical description. -A compound

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Which list of items contains only ions?

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An atom or group of atoms with one or more net positive or negative charges is called a(n) ____________________.

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An example of potential energy is

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Match the items below with the correct energy or matter quality below. -aluminum ore

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All of the following are examples of kinetic energy except

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Match items with their appropriate chemical description. -The small, dense center of an atom

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Match items with their appropriate chemical description. -Subatomic particle with a negative charge

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Na is the chemical symbol for ____________________.

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Some forms of electromagnetic radiation with short wavelengths are:

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Element - ca...
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