Question 1

The atomic number is the number of

Accepted Answer

A)   atoms in a molecule
B)   protons in an atom
C)   nuclei in a molecule
D)   electrons in an atom
E)   protons and neutrons in an atom

Question 2

The law of conservation of matter states that

Accepted Answer

A)   Atoms can be created.
B)   Atoms can be destroyed.
C)   Atoms cannot be created or destroyed.
D)   Atoms can be destroyed if we compost them.
E)   Atoms can be created through nuclear fission.

Question 3

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 4

All organic compounds are characterized by the presence of

Accepted Answer

A)   Carbon
B)   Hydrogen
C)   Oxygen
D)   Nitrogen
E)   Phosphorus

Question 5

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

Question 6

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 7

Since scientific theories are tentative explanations, they should not be taken seriously.

Accepted Answer

A) True 
 B)False

Question 8

When electrical energy lights an incandescent light bulb, 50 percent of the energy produces light.

Accepted Answer

A) True 
 B)False

Question 9

___________________ ______________occurs when the nuclei of certain isotopes with large mass numbers are split apart into lighter nuclei when struck by a neutron.

Accepted Answer

The answer of ___________________ ______________occurs when the nuclei of certain...

Question 10

Match items with their appropriate chemical description.
-A subatomic particle with no net electrical charge

Accepted Answer

A)  S
B)  H+
C)  Electron
D)  Proton
E)  NeutronF) CO2G) NaH) nucleusI) mass numberJ) NO3-K) isotopes

Question 11

Describe three limitations of science in general (as well as environmental science).

Accepted Answer

1. Scientists cannot prove or disprove a...

Question 12

Match the items below with the correct energy or matter quality below.
-nuclear fission

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 13

Explain how the differences between humans and other living organisms, such as plants or animals, are controlled and encoded at the cellular level.

Accepted Answer

Within the nucleus of each cell is a set...

Question 14

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 15

Genetic information is contained in coded units on chromosomes called

Accepted Answer

A)   DNA molecules
B)   Genes
C)   Macromolecules
D)   Nucleotides
E)   Proteins

Question 16

Curiosity and skepticism are important features of the scientific process. Explain how these two attributes in a scientist come into play during a late phase of scientific investigation called accept or reject the hypothesis.

Accepted Answer

A skeptical and curious scientist will w...

Question 17

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

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 18

Match items with their appropriate chemical description.
-The total number of protons and neutrons in an atom's nucleus

Accepted Answer

A)  S
B)  H+
C)  Electron
D)  Proton
E)  NeutronF) CO2G) NaH) nucleusI) mass numberJ) NO3-K) isotopes

Question 19

When energy changes from one form to another, it always goes from a more useful to a less useful form.

Accepted Answer

A) True 
 B)False

Question 20

Employing the concepts of high-quality matter and low-quality matter, explain to a friend why recycling aluminum drink containers is a good idea.

Accepted Answer

The aluminum needed to produce more alum...

Exam 2: Science, Matter, and Energy

When energy changes from one form to another, it always goes from a more useful to a less useful form.

Correct AnswerverifiedShow Answer

Explain how the differences between humans and other living organisms, such as plants or animals, are controlled and encoded at the cellular level.

Correct AnswerverifiedWithin the nucleus of each cell is a set...View AnswerShow Answer

Match items with their appropriate chemical description. -The total number of protons and neutrons in an atom's nucleus

Correct AnswerverifiedShow Answer

Employing the concepts of high-quality matter and low-quality matter, explain to a friend why recycling aluminum drink containers is a good idea.

Correct AnswerverifiedThe aluminum needed to produce more alum...View AnswerShow Answer

When electrical energy lights an incandescent light bulb, 50 percent of the energy produces light.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Curiosity and skepticism are important features of the scientific process. Explain how these two attributes in a scientist come into play during a late phase of scientific investigation called accept or reject the hypothesis.

Correct AnswerverifiedA skeptical and curious scientist will w...View AnswerShow Answer

The law of conservation of matter states that

Correct AnswerverifiedShow Answer

Match the items below with the correct energy or matter quality below. -nuclear fission

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Describe three limitations of science in general (as well as environmental science).

Correct Answerverified1. Scientists cannot prove or disprove a...View AnswerShow Answer

Since scientific theories are tentative explanations, they should not be taken seriously.

Correct AnswerverifiedShow Answer

Match items with their appropriate chemical description. -A subatomic particle with no net electrical charge

Correct AnswerverifiedShow Answer

Genetic information is contained in coded units on chromosomes called

Correct AnswerverifiedShow Answer

The atomic number is the number of

Correct AnswerverifiedShow Answer

Which list of items contains only ions?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

All organic compounds are characterized by the presence of

Correct AnswerverifiedShow Answer

The scientists, with enough data,

Correct AnswerverifiedShow Answer

___________________ ______________occurs when the nuclei of certain isotopes with large mass numbers are split apart into lighter nuclei when struck by a neutron.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified
Within the nucleus of each cell is a set...
View Answer

Correct Answer
verified

Correct Answer
verified
The aluminum needed to produce more alum...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A skeptical and curious scientist will w...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
1. Scientists cannot prove or disprove a...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

_____ occurs when the nuclei of certain isotopes with large mass numbers are split apart into lighter nuclei when struck by a neutron.

Correct Answer
verified