Chapter 1 Questions

Front 1

A generalized mental image of an object is a

Back 1

Concept

Front 2

Which is the best example of the use of a referent?

Back 2

Big as a dump truck

Front 3

A well-defined and agreed-upon referent used as a standard in all systems of measurement is called a

Back 3

Unit

Front 4

The system of measurement based on referents in nature, but not with respect to human body parts, is the

Back 4

Metric system

Front 5

A process of comparing a property to a well-defined and and agreed-upon referent is called a

Back 5

Measurement

Front 6

What is not considered to be a fundamental property?

Back 6

Weight

Front 7

How much space something occupies is described by its

Back 7

Volume

Front 8

The relationship between two numbers that is usually obtained by dividing one number by the other is called a

Back 8

Ratio

Front 9

The ratio of mass per volume of a substance is called its

Back 9

Density

Front 10

After identifying the appropriate equation, the next step in correctly solving a problem is to

Back 10

Solve the equation for the variable in question

Front 11

Suppose a problem situation describes a speed in km/h and a length in m. What conversion should you do before substituting quantities for symbols?

Back 11

Km/h to m/s

Front 12

An equation describes a relationship where

Back 12

The numbers and units on both sides are equal

Front 13

The equation p=m/v is a statement that

Back 13

Describes a property

Front 14

Measurement information that is used to describe something is called

Back 14

Data

Front 15

If you consider a very small portion of a material that is the same throughout, the density of the small sample will be

Back 15

The same

Front 16

The symbol delta has a meaning of

Back 16

The change in

Front 17

A model is

Back 17

All of the above are models

Front 18

The use of a referent in describing a property always implies

Back 18

A comparison with a similar property of another object

Front 19

A 5km span is the same as how many meters?

Back 19

5,000 meters

Front 20

1/2 L of water is the same volume as

Back 20

500cm3

Front 21

Which is not a measurement?

Back 21

120

Front 22

What happens to the surface area to volume ratio as the volume of a cube becomes larger?

Back 22

It decreases

Front 23

If one variable increases in value while a second, related variable decreases in value, the relationship is said to be

Back 23

Inverse

Front 24

What is needed to change a proportionality statement into an equation?

Back 24

Include a proportionality constant

Front 25

A proportionality constant

Back 25

Might or might not have a unit

Front 26

A scientific investigation provides understanding through

Back 26

Experimental evidence

Front 27

Statements describing how nature is observed to behave consistently time after time are called scientific

Back 27

Laws

Front 28

A controlled experiment comparing two situations has all identical influencing factors except the

Back 28

Experimental variable

Front 29

In general, scientific investigations have which activities in common?

Back 29

Collect observations, develop explanations, test explanations

Front 30

Quantities, or measured properties, that are capable of changing values are called

Back 30

Variables

Front 31

A proportional relationship that is represented by the symbols ax1/b represents which relationship?

Back 31

Inverse proportion

Front 32

A hypothesis concerned with a specific phenomenon is found to be acceptable through many experiments over a long period of time. This hypothesis usually becomes known as a

Back 32

Scientific law

Front 33

A scientific law can be expressed as

Back 33

All of the above

Front 34

The symbol x has a meaning of

Back 34

"Is proportional to"

Front 35

What symbol represents a measured property of the compactness of matter?

Back 35

P

Front 36

A candle with a certain weight melts in an oven, and the resulting weight of the wax is

Back 36

The same

Front 37

An ice cube with a certain volume melts, and the resulting volume of water is

Back 37

Less

Front 38

Compare the density of ice to the density of water. The density of ice is

Back 38

Less

Front 39

A beverage glass is filled to the brim with ice cold water and ice cubes. Some of the ice cubes are floating above the water level. When the ice melts, the water in the glass will

Back 39

Stay at the same level

Front 40

What is the proportional relationship between the volume of juice and a cup and the time the juice dispenser has been running?

Back 40

Direct

Front 41

What is the proportional relationship between the number of cookies in the cookie jar and the time you have been eating the cookies?

Back 41

Inverse

Front 42

A movie producer makes a 1m by 1m image when projecting 1m from a screen, and a 2m by 2 m image when projecting 2m from the screen..... What is the proportional relationship between the distance from the screen and the area of the image?

Back 42

Square

Front 43

A movie projector makes a 1m by 1m image when projecting 1m from the screen... What is the proportional relationship between the distance from the screen as the intensity of the light falling on the screen?

Back 43

Inverse square

Front 44

According to the scientific method, what needs to be done to move beyond conjecture or simple hypotheses in a person's understanding of his or her physical surroundings?

Back 44

Conduct a controlled experiment