Question 1

The density of a 100-g piece of iron is twice as great as the density of a 50-g piece of iron.

Accepted Answer

A) True 
 B)False  False

Question 2

A tentative thought- or experiment-derived explanation is known as a (an)

Accepted Answer

A) hypothesis. 
B) scientific law. 
C) scientific theory. 
D) model. 
A) hypothesis. 
B) scientific law. 
C) scientific theory. 
D) model. A

Question 3

Measurement information used to describe something is called data.

Accepted Answer

A) True 
 B)False  True

Question 4

The English unit of volume closest in size to a liter is

Accepted Answer

A) gallon. 
B) ounce. 
C) quart. 
D) cup. 
A) gallon. 
B) ounce. 
C) quart. 
D) cup.

Question 5

A scheme of thought that has survived a test of detailed examination for long periods of time is a (an)

Accepted Answer

A) hypothesis. 
B) scientific law. 
C) scientific theory. 
D) model. 
A) hypothesis. 
B) scientific law. 
C) scientific theory. 
D) model.

Question 6

The property of mass is a measure of how heavy an object is.

Accepted Answer

A) True 
 B)False

Question 7

A cube that measures 2 cm on each side has a surface area to volume ratio of

Accepted Answer

A) 1/2. 
B) 2. 
C) 3. 
D) 6. 
A) 1/2. 
B) 2. 
C) 3. 
D) 6.

Question 8

In the equation A = $\pi$r2, $\pi$ (pi) is a

Accepted Answer

A) manipulated variable. 
B) responding variable. 
C) numerical constant. 
D) constant that depends on the size of the circle. 
A) manipulated variable. 
B) responding variable. 
C) numerical constant. 
D) constant that depends on the size of the circle.

Question 9

A 100-g piece of iron has twice the volume as a 50-g piece of iron.

Accepted Answer

A) True 
 B)False

Question 10

The most recently developed scientific theory is the

Accepted Answer

A) plate tectonic theory. 
B) atomic theory. 
C) theory about the nature of light. 
D) theory of evolution. 
A) plate tectonic theory. 
B) atomic theory. 
C) theory about the nature of light. 
D) theory of evolution.

Question 11

If a cube of Jell-o is cut into two pieces, what total property of the new pieces change?

Accepted Answer

A) mass 
B) volume 
C) density 
D) surface area 
A) mass 
B) volume 
C) density 
D) surface area

Question 12

The re-creation of an event by comparing two situations in which all the factors are identical except one is called a

Accepted Answer

A) tentative experiment. 
B) cause and effect demonstration. 
C) statistical test of truth. 
D) controlled experiment. 
A) tentative experiment. 
B) cause and effect demonstration. 
C) statistical test of truth. 
D) controlled experiment.

Question 13

An experimental situation used as the basis of comparison is the

Accepted Answer

A) control group. 
B) experimental group. 
C) hypothetical group. 
D) group of variables where changes will occur. 
A) control group. 
B) experimental group. 
C) hypothetical group. 
D) group of variables where changes will occur.

Question 14

Imagine a 10-g chunk of aluminum (r = 2.7 g/cm3) and a 10-g chunk of iron (r = 7.9 g/cm3).Which of the following is true?

Accepted Answer

A) The chunk of iron is smaller than the chunk of aluminum. 
B) The chunk of iron is more massive than the chunk of aluminum. 
C) The chunk of aluminum is smaller than the chunk of iron. 
D) Both objects have the same volume. 
A) The chunk of iron is smaller than the chunk of aluminum. 
B) The chunk of iron is more massive than the chunk of aluminum. 
C) The chunk of aluminum is smaller than the chunk of iron. 
D) Both objects have the same volume.

Question 15

A controlled experiment has all variables held constant.

Accepted Answer

A) True 
 B)False

Question 16

Equations are used to

Accepted Answer

A) describe a property. 
B) define a concept. 
C) describe how quantities change together. 
D) All of the above. 
A) describe a property. 
B) define a concept. 
C) describe how quantities change together. 
D) All of the above.

Question 17

The property of volume is a measure of

Accepted Answer

A) how much matter the object contains. 
B) the compactness of matter in a given space. 
C) the extent of the surface of the object. 
D) how much space the object occupies. 
A) how much matter the object contains. 
B) the compactness of matter in a given space. 
C) the extent of the surface of the object. 
D) how much space the object occupies.

Question 18

When something cannot be directly observed, it can be represented by a

Accepted Answer

A) hypothesis. 
B) graph. 
C) model. 
D) theory. 
A) hypothesis. 
B) graph. 
C) model. 
D) theory.

Question 19

A referent is a familiar object one can use to describe the property of an object.

Accepted Answer

A) True 
 B)False

Question 20

The symbol µ has the meaning of "is proportional to."

Accepted Answer

A) True 
 B)False

Exam 1: What Is Science

The density of a 100-g piece of iron is twice as great as the density of a 50-g piece of iron.

A tentative thought- or experiment-derived explanation is known as a (an)

Measurement information used to describe something is called data.

The English unit of volume closest in size to a liter is

A scheme of thought that has survived a test of detailed examination for long periods of time is a (an)

The property of mass is a measure of how heavy an object is.

A cube that measures 2 cm on each side has a surface area to volume ratio of

In the equation A = π\piπ r2, π\piπ (pi) is a

A 100-g piece of iron has twice the volume as a 50-g piece of iron.

The most recently developed scientific theory is the

If a cube of Jell-o is cut into two pieces, what total property of the new pieces change?

The re-creation of an event by comparing two situations in which all the factors are identical except one is called a

An experimental situation used as the basis of comparison is the

Imagine a 10-g chunk of aluminum (r = 2.7 g/cm3) and a 10-g chunk of iron (r = 7.9 g/cm3).Which of the following is true?

A controlled experiment has all variables held constant.

Equations are used to

The property of volume is a measure of

When something cannot be directly observed, it can be represented by a

A referent is a familiar object one can use to describe the property of an object.

The symbol µ has the meaning of "is proportional to."

Motion

Energy

Heat and Temperature

Wave Motions and Sound

Electricity

Light

Atoms and Periodic Properties

Chemical Bonds

Chemical Reactions

Water and Solutions

Organic Chemistry

Nuclear Reactions

The Universe

The Solar System

Earth in Space

Rocks and Minerals

Plate Tectonics

Building Earths Surface

Shaping Earths Surface

Geologic Time

The Atmosphere of Earth

Weather and Climate

Earths Waters

Filters

In the equation A = $\pi$ r², $\pi$ (pi) is a

Imagine a 10-g chunk of aluminum (r = 2.7 g/cm³) and a 10-g chunk of iron (r = 7.9 g/cm³).Which of the following is true?