Exam 1

Question 1

“cm” stands for what?

Edited by Mr. B

F 1.2-5

Answer 1

centimeter

Centi- is the prefix, -meter is the base unit (Seconds, meters, liters, grams, etc.)

Question 2

What are the SI units

B1.2-2

Answer 2

Meters, Kilograms, seconds

Question 3

What does a percent error equation tell?

D 1.2- 10

Answer 3

The percent your guess for a measurement was off by.

Question 4

What does the M in the mnumonic (KHDUDCM) stand for?

F 1.2-6

Answer 4

Milli

Question 5

Scientific noation must be

Edited by Mr. B

C

Answer 5

A number 1-9.99999999…

C

Question 6

What is pH paper?

Edited by Mr. B

C

Answer 6

Special type of paper that changes color when dipped in liquid

Tells you how acidic or basic a solution is

Question 7

What does it mean to be precise?

Edited by Mr. B

c5

Answer 7

Consistency of a measurement. Getting the same number every time

Archer hitting the same spot, very close to eachother. May or may not also be accurate

Question 8

What are the three typed of glasswear?

Answer 8

Flask, Graduated Cylinder, Beaker

Question 9

What is a spring scale?

Answer 9

A spring scale is a tool that measures the weight or force applied to it by an object. It has a spring inside that stretches more or less depending on the weight.

Question 10

What are the 2 units of measurement?

B 1.2

Answer 10

SI and Imperial units of mesurement.

Question 11

What is a Graduated Cylinder?

D1.2-

Answer 11

Tall, narrow container used to measure the volume of liquids accurately. It has markings on the side to show how much liquid is inside.

Question 12

What is scientific notation for

Answer 12

making big numbers manageable

c5

Question 13

What are the imperial units

B1.2-2

Answer 13

pound
foot
seconds

Question 14

what is precision

D 1.2 - 9

Answer 14

precision: how consistent your answers are

precision is like hitting the same spot multiple times

Question 15

If PH paper is in water, will it be acidic or alkaline?

Answer 15

Neither, right in the middle

C 1.3 -5

Question 16

what is accuracy

D 1.2 - 9

Answer 16

how close your measurements are to the true value

accuracy is like hitting a bullseye

Question 17

What is a variable?

F 1.3-7

Answer 17

A factor that can be changed in an experiements.

Question 18

What is a Hot Plate

B 1.3-4

Answer 18

A Hotplate is a electric heating device. It is a flat suface like a plate.

It is Hot and It is A plate….

Question 19

What is Quantitative data?

D1.3-9

Answer 19

Numberical data

Question 20

what is an expirimental group

D 1.3-8

Answer 20

the group affected by the variable

the coke with mentos in it

Question 21

Describe a beaker

A7: 3 - 1

Answer 21

Cylindracal wide container with a beak

Question 22

What does Qualitative Data use?

D1.3-9

Answer 22

Uses words/descriptions.

Question 23

what is a controlled group

D 1.3-8

Answer 23

the group with no experimental treatment

the coke with nothing in it

Question 24

What does a thermometer show?

Answer 24

A thermometer shows the temperature in degrees Celsius or Fahrenheit

Question 25

Metric Ruler

Answer 25

A straight tool used to measure the length of objects in centimeters and millimeters.

Question 26

Quantitative data measures what?

A1.3-9

Answer 26

Numerical things such as the height of a building or the width of a dimension.

(Add Clarifier)

Question 27

Describe a erlenmeyer flask

A7: 3 - 1

Answer 27

cone shaped container with a flat bottom

Add Footnotee

Question 28

What do you collect when you collect data?

Answer 28

information/observations

Question 29

What is quantitive data?

Answer 29

numerical.
(measured hight in each fountain,amount of time it took to treach the hight etc.)

a numerical measurement

Question 30

What is a Experimental Group?

D1.3-8

Answer 30

The group that actually recieves the experimental treatment.

Question 31

What is the Control Group?

D1.3-8

Answer 31

The group that does not receive the experimental treatment.