Semester 1 Final Exam Review

Question 1

Length

Answer 1

the distance between two points

Question 2

Mass

Answer 2

the quantity of matter in a object

Question 3

Weight

Answer 3

the gravitational force exerted on an object

Question 4

Temperature

Answer 4

The measurement of the amount of heat in a substance

Question 5

Time

Answer 5

The interval between two events

Question 6

Volume

Answer 6

The amount of space occupied by an object

Question 7

Average

Answer 7

The representative of a set of numbers

Question 8

Kilo

Answer 8

one thousand

Question 9

Centi

Answer 9

hundreth

Question 10

Milli

Answer 10

thousandth

Question 11

Control Group

Answer 11

The group the we compare the results

Question 12

Constant

Answer 12

Things that we change but don’t

Question 13

Independent Variable

Answer 13

The variable the intentionally changes at the beginning the experiment

Question 14

Dependent

Answer 14

What we measure at the end of the experiment

Question 15

Error

Answer 15

A mistake

Question 16

Bias

Answer 16

A preference or tendency toward a particular perspective or result

Question 17

Observation

Answer 17

Anything that you can see, touch, smell, or taste

Question 18

Hypothesis

Answer 18

An educated guess that tries to solve the problem

Question 19

Problem Question

Answer 19

A question that asks what is the purpose of the experiment

Question 20

Data

Answer 20

Recorded results of the tests conducted

Question 21

Conclusion

Answer 21

A summary of how results supports or refute hypothesis

Question 22

Graph

Answer 22

A diagram representing a system of connections

Question 23

Bar graph

Answer 23

Includes counting

Question 24

Line Graph

Answer 24

Includes time

Question 25

Circle Graph

Answer 25

Usually using percentages

Question 26

Mean

Answer 26

Average

Question 27

Median

Answer 27

The middle number

Question 28

Mode

Answer 28

The number that occurs the most

Question 29

Accuracy

Answer 29

How close a measured value is to the actual value

Question 30

Precision

Answer 30

How the close the measured value are to each other

Question 31

Density

Answer 31

How much of something is in a certain volume

Question 32

Viscosity

Answer 32

The resistance of a fluid to flow

Question 33

Surface Tension

Answer 33

The ability of water to form a semi- solid “skin” at its surface

Question 34

Hydrogen Bonding

Answer 34

An electrostatic attraction between 2 polar groups

Question 35

Diffusion

Answer 35

The amount of molecules from high to low concentration

Question 36

Osmosis

Answer 36

Diffusion of water from high to low concentration

Question 37

Temperature

Answer 37

Thermometer, degrees (Fahrenheit, Celsius)

Question 38

Humidity

Answer 38

Hygrometer, percent

Question 39

Wind Speed

Answer 39

Anemometer, mph

Question 40

Direction

Answer 40

Compass, (north, east, south, west)

Question 41

Air pressure

Answer 41

Barometer (in.Hg)