Science -

Question 1

If you get injured in a lab, what should you do?

Answer 1

Tell the teacher.

Question 2

Why is it important to never eat, drink, or chew gum in class?

Answer 2

You might ingest harmful chemicals.

Question 3

Safety goggles should be worn when working with…

Answer 3

Fire, chemicals, and glassware.

Question 4

If you do not understand a step in the lab procedure, what should you do?

Answer 4

Re-read the lab instructions.

Question 5

How long should hair be worn in a lab?

Answer 5

Tied back with a rubber band.

Question 6

After completing an experiment, where should you dispose of chemicals?

Answer 6

Down the sink.

Question 7

When working with an open flame, you should not…

Answer 7

Reach over it, leave it unattended, or keep it near flammable liquids.

Question 8

When heating a test tube, it is important to point the tube where?

Answer 8

Away from others.

Question 9

Paula was not careful and knocked over a beaker. She notices a small chip in the glass. What should Paula do next?

Answer 9

Inform the teacher immediately.

Question 10

David wears eyeglasses. What does David need to do before a lab with fire and chemicals?

Answer 10

Wear safety goggles over the eyeglasses.

Question 11

It is everyone’s job to clean up after a lab. True or False.

Answer 11

True

Question 12

Performing an unauthorized experiment is allowed. True or False.

Answer 12

False.

Question 13

Is the Y axis vertical or horizontal?

Answer 13

Vertical.

Question 14

The title of a graph must be…

Answer 14

Appropriate and relevant.

Question 15

What variable is the Y axis?

Answer 15

Dependent.

Question 16

Axes must be labeled with…

Answer 16

Appropriate titles.

Question 17

You must number axes…

Answer 17

Evenly.

Question 18

Is the X axis vertical or horizontal?

Answer 18

Horizontal.

Question 19

What variable goes on the X axis?

Answer 19

Independent.

Question 20

Where is the origin of a graph?

Answer 20

Where the two axes meet at a 90-degree angle.

Question 21

What number symbolizes the origin of a graph?

Answer 21

0.

Question 22

The key of the graph must include…

Answer 22

The different values of the graph.

Question 23

The key of a graph…

Answer 23

Identifies information.

Question 24

What are graphs?

Answer 24

Diagrams that show relationships between two or more things.

Question 25

What type of graph is best for comparing different groups?

Answer 25

Bar graphs.

Question 26

What type of graph is best for showing changes over time?

Answer 26

Line graphs.

Question 27

What type of graph is best to show a non-linear pattern?

Answer 27

Scatter plot.

Question 28

What type of graph is best for comparing parts of a whole?

Answer 28

Pie chart.

Question 29

On a graph, it is important to...

Answer 29

Label the axis and give the units.

Question 30

What are the base units of the metric system?

Answer 30

Meter, liter, gram.

Question 31

What are the units of the metric system?

Answer 31

Kilo, Hecto, Deca, Base Unit, Deci, Centi, Milli

Question 32

What is the mnemonic device for the units of the metric system?

Answer 32

King Henry Doesn't Usually Drink Chocolate Milk.

Question 33

Make sure to use a (1) and a (2) to make a graph.

Answer 33

1. Pencil 2. Ruler (can also be swapped)

Question 34

What type of paper should you use to make a graph?

Answer 34

Graph paper.

Question 35

Create a (1) title on a graph.

Answer 35

1. Descriptive.

Question 36

What type of graph should you use for this type of information?

Answer 36

Pie chart.

Question 37

What does TALKS stand for?

Answer 37

T-Title must be descriptive A-IV on X axis and DV in Y axis L-Label axes with units K-Key for graph S-Scale

Question 38

When you measure something, should you always record the unit with the number?

Answer 38

Yes.

Question 39

What is length?

Answer 39

The distance between two points.

Question 40

What is the base unit for length?

Answer 40

Meter.

Question 41

What is volume?

Answer 41

The amount of space something occupies.

Question 42

What is the base unit for volume?

Answer 42

Liter

Question 43

What is mass?

Answer 43

The amount of matter in a solid, liquid, or gas.

Question 44

What is the base unit for mass?

Answer 44

Gram.

Question 45

What is density?

Answer 45

The amount of matter in a volume.

Question 46

What is the base unit for density?

Answer 46

Grams per cubic centimeter.

Question 47

What is time?

Answer 47

The period between events.

Question 48

What is the base unit for time?

Answer 48

Seconds.

Question 49

What is temperature?

Answer 49

How hot or cold something is.

Question 50

What is the base unit for temperature?

Answer 50

Degrees Celsius.

Question 51

What tool is used to find length?

Answer 51

Ruler or meter stick.

Question 52

What tool is used to find volume?

Answer 52

Graduated cylinder.

Question 53

What tool is used to find mass?

Answer 53

Triple Beam Balance.

Question 54

What tool is used to find density?

Answer 54

Calculator (D=m/v)

Question 55

What tool is used to find time?

Answer 55

Stopwatch.

Question 56

What tool is used to find temperature?

Answer 56

Thermometer.

Question 57

What does SI System stand for?

Answer 57

Systeme International.

Question 58

To take a measurement, you use a...

Answer 58

Tool.

Question 59

Science is driven by (1) about (2)

Answer 59

1. Questions 2. Natural Phenomena (can be swapped)

Question 60

A testable question must have what?

Answer 60

A manipulated and responding variable.

Question 61

An untestable question does/does not indicate specific variables to test or measure.

Answer 61

Does not.

Question 62

What are the variables in an experiment?

Answer 62

Independent, Dependent, and Controlled.

Question 63

What does Mix Dry stand for?

Answer 63

M-Manipulated I-Independent X-X axis D-Dependent R-Responding Y-Y Axis

Question 64

What variable does the scientist change?

Answer 64

The independent variable.

Question 65

What variable does the scientist measure or observe?

Answer 65

The dependent variable.

Question 66

What are constants in an experiment?

Answer 66

Standardizing variables.

Question 67

An experimental control is used to...

Answer 67

Evaluate whether an experiment is working.

Question 68

An experimental control is usually one test of the (1) variable that is like a (2) value.

Answer 68

1. Independent 2. Normal

Question 69

What makes an experiment fair and valid?

Answer 69

Precise and Accurate Measurements, Repeated Trials, and Detailed Notes.