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Science 8 > Unit 0 > Flashcards

Unit 0 Flashcards

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
What should you never do with chemicals during a lab?
Never directly contact chemicals.
26
What should you do with your hair during a lab?
Tie your hair up
27
What are ways you can avoid hazards during lab procedures?
Avoid contact with chemicals, wear proper equipment/clothes, don’t consume food or drink in the lab, and wash your hands.
28
Where should you place broken glass if you break a container?
Clean it up immediately and throw it in the garbage.
29
Do you pour acid in water or pour water in acid?
Pour acid in water.
30
What should you never do with bottle caps?
Never switch bottle caps out with other ones.
31
What are the main 7 units?
Length, time, amount of substance, electric current, temperature, luminous intensity, mass
32
How do you solve a single fence problem?
33
What is the most important thing when solving?
To keep the numbers and units organized.
34
When moving forward in the units do you multiply or divide the number?
Divide by 10
35
When was this system implemented in the USA?
1866
36
Why use the metric system?
Base 10 is easy to convert.
37
What's the difference between each unit?
10
38
How many meters in a Kilometer?
1000
39
Why is organization so important?
To get the correct answers without getting confused unnecessarily.
40
What are the three base units?
Meter, gram, liter
41
What skills do scientists use?
Observing, inferring, and predicting.
42
What is observing?
The process of using one or more of your senses to gather information.
43
What is inferring?
Making an interpretation based on observations and prior knowledge.
44
What is predicting?
Making a forecast of what will happen in the future based on past experience or evidence.
45
What are the branches of physical science?
Chemistry and physics
46
What is the study of matter and energy?
Physics
47
What is chemistry?
The study of the properties of matter and how matter changes.
48
What is physics?
The study of matter, energy, motion, and forces, and how they interact.
49
What are the big ideas of physical science?
Forces, laws of conservation, atoms, and behavior of particles.
50
What purposes do these big ideas serve?
51
What goes on the X axis?
Independent variable
52
What goes on the Y-axis?
Dependent variable
53
How do you title your graph?
y-axis vs x-axis
54
Can you do a crimp graph in the middle?
No
55
How many points are your graphs graded on?
6 points
56
What are the three types of relationships on a graph?
Direct, indirect, no relation
57
List the different graphs that we have learned.
Bar graphs, line graphs, pie charts
58
What are the three types of trends?
Linear, non-linear, and no trend
59
What are the 3 different types of graphs?
Bar graphs, line graphs, pie charts
60
What is slope?
How much y changes for every change in the value of x.
61
Are closed toe shoes appropriate for labs? Should long hair be down?
Closed toe shoes are appropriate. Long hair should be tied back.
62
Should water be added to acid when diluting acid?
No, acid should be added to water.
63
Is switching caps on reagent bottles a good idea?
No
64
After you're done with the lab what is the first thing you should do?
Put away materials
65
What should you never do with chemicals in the lab?
Never use the wrong chemical.
66
You should keep _______ away from flames
clothes and hair
67
Are you supposed to have contact with the chemicals?
No
68
What do you do if you spill chemicals on the table or floor?
Tell an adult immediately and clean up the mess.
69
How do you smell chemicals?
By wafting them
70
When heating substances in a test tube, where should you not point it towards?
At people

Science 8 (6 decks)

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