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Science 8 > Unit 0 > Flashcards

Unit 0 Flashcards

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1
Q

What are the 2 types of observations?

A

Quantitative and qualitative

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2
Q

What is an example of inference?

A

My sister is yelling at me, therefore I must have done something wrong.

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3
Q

What is an example of an observation?

A

The sky is blue.

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4
Q

What is an example of a prediction?

A

It will be warm tomorrow, because it was warm this time last year.

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5
Q

Define science

A

Science is a way of learning about the natural world and the knowledge gained through the process.

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6
Q

What is the study of chemistry?

A

The study of the properties of matter and how matter changes.

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7
Q

What is the study of physics?

A

The study of matter, energy, motion, and forces, and how they react.

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8
Q

What are the big ideas of physical science?

A

Forces, laws of conservation, atoms, and behavior of particles

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9
Q

What are five things you can observe around you?

A

The room is loud, the pufferfish fish is dead, my shirt is gray,

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10
Q

How does physical science help the real world?

A

Physical science is used in many careers, such as firefighting and photography. These careers are important in everyday life.

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11
Q

What tool should you use when making all of your graphs?

A

A ruler

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12
Q

What are the 3 types of relationships in graphs?

A

Direct, indirect, no relation

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13
Q

When do you make a broken line graph?

A

When the distance from 0 to the first x value is relatively larger than the distance between the first x-value and the following x-value.

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14
Q

Can you put a broken line graph in the middle of a graph?

A

No

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15
Q

How do you label a title for a six point graph?

A

y-axis title vs x-axis title

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16
Q

How do you label the x and y axis on the graph?

A

Write the unit and specify it in parentheses.
ex. length (m)

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17
Q

When do you draw the line of best fit?

A

When the data is on a scatter plot and has a positive/negative correlation.

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18
Q

What do you include in each section of a pie chart?

A

Percent, fraction, and the name of the section

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19
Q

When do you make a bar graph?

A

When you have qualitative data or non-continuous quantitative data.

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20
Q

When do you make a line graph?

A

When you have quantitative data which is continuous.

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21
Q

What writing utensil are all labs done with?

A

A pencil

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22
Q

What kind of shoes should you wear for lab day?

A

Closed toe shoes

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23
Q

Who should you tell if there’s an accident or spill?

A

Tell a teacher or adult

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24
Q

What should you wear on your eyes during all laboratory procedures?

A

Safety goggles

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25
Q

What should you never do with chemicals during a lab?

A

Never directly contact chemicals.

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26
Q

What should you do with your hair during a lab?

A

Tie your hair up

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27
Q

What are ways you can avoid hazards during lab procedures?

A

Avoid contact with chemicals, wear proper equipment/clothes, don’t consume food or drink in the lab, and wash your hands.

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28
Q

Where should you place broken glass if you break a container?

A

Clean it up immediately and throw it in the garbage.

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29
Q

Do you pour acid in water or pour water in acid?

A

Pour acid in water.

30
Q

What should you never do with bottle caps?

A

Never switch bottle caps out with other ones.

31
Q

What are the main 7 units?

A

Length, time, amount of substance, electric current, temperature, luminous intensity, mass

32
Q

How do you solve a single fence problem?

A
33
Q

What is the most important thing when solving?

A

To keep the numbers and units organized.

34
Q

When moving forward in the units do you multiply or divide the number?

A

Divide by 10

35
Q

When was this system implemented in the USA?

A

1866

36
Q

Why use the metric system?

A

Base 10 is easy to convert.

37
Q

What’s the difference between each unit?

A

10

38
Q

How many meters in a Kilometer?

A

1000

39
Q

Why is organization so important?

A

To get the correct answers without getting confused unnecessarily.

40
Q

What are the three base units?

A

Meter, gram, liter

41
Q

What skills do scientists use?

A

Observing, inferring, and predicting.

42
Q

What is observing?

A

The process of using one or more of your senses to gather information.

43
Q

What is inferring?

A

Making an interpretation based on observations and prior knowledge.

44
Q

What is predicting?

A

Making a forecast of what will happen in the future based on past experience or evidence.

45
Q

What are the branches of physical science?

A

Chemistry and physics

46
Q

What is the study of matter and energy?

A

Physics

47
Q

What is chemistry?

A

The study of the properties of matter and how matter changes.

48
Q

What is physics?

A

The study of matter, energy, motion, and forces, and how they interact.

49
Q

What are the big ideas of physical science?

A

Forces, laws of conservation, atoms, and behavior of particles.

50
Q

What purposes do these big ideas serve?

A
51
Q

What goes on the X axis?

A

Independent variable

52
Q

What goes on the Y-axis?

A

Dependent variable

53
Q

How do you title your graph?

A

y-axis vs x-axis

54
Q

Can you do a crimp graph in the middle?

A

No

55
Q

How many points are your graphs graded on?

A

6 points

56
Q

What are the three types of relationships on a graph?

A

Direct, indirect, no relation

57
Q

List the different graphs that we have learned.

A

Bar graphs, line graphs, pie charts

58
Q

What are the three types of trends?

A

Linear, non-linear, and no trend

59
Q

What are the 3 different types of graphs?

A

Bar graphs, line graphs, pie charts

60
Q

What is slope?

A

How much y changes for every change in the value of x.

61
Q

Are closed toe shoes appropriate for labs? Should long hair be down?

A

Closed toe shoes are appropriate. Long hair should be tied back.

62
Q

Should water be added to acid when diluting acid?

A

No, acid should be added to water.

63
Q

Is switching caps on reagent bottles a good idea?

A

No

64
Q

After you’re done with the lab what is the first thing you should do?

A

Put away materials

65
Q

What should you never do with chemicals in the lab?

A

Never use the wrong chemical.

66
Q

You should keep _______ away from flames

A

clothes and hair

67
Q

Are you supposed to have contact with the chemicals?

A

No

68
Q

What do you do if you spill chemicals on the table or floor?

A

Tell an adult immediately and clean up the mess.

69
Q

How do you smell chemicals?

A

By wafting them

70
Q

When heating substances in a test tube, where should you not point it towards?

A

At people

Science 8 (6 decks)

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