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science midterm review Flashcards

0
Q

Observing

A

Using one or more of your senses to gather information

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1
Q

What are the processes of science?

A

The processes of science involve observing, inferring, predicting, classifying, evaluating, making models, and conducting scientific experiments.

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2
Q

Inferring

A

When you explain or interpret the things you observe

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3
Q

Predicting

A

Making a statement or claim about what will happen

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4
Q

Classifying

A

The grouping together of items that are alike in some ways

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5
Q

Making models

A

Involves creating representations of complex objects or processes

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6
Q

Evaluating

A

Involves comparing, observations, and data to reach a conclusion about them

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7
Q

Conducting Scientific investigation

A

The way in which scientist study the natural world. First, you ask a question. Then, you figure out a way to find the answer . Finally, you perform the actions necessary to find the answer.

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8
Q

Why is a standard measurement system important?

A

It allows scientist to compare data and communicate with each other.

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9
Q

What are some si units of measure?

A

Length , mass, weight, volume , density, temperature, time

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10
Q

Length

A

Distance from one point to another

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11
Q

What are the conversions of length ?

A

1km= 1,000m

1m=100cm

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12
Q

What is one tool used to measure length ?

A

Metric ruler

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13
Q

What is the basic si unit of length ?

A

Meter

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14
Q

Mass

A

A measurement of the amount of matter in an object

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15
Q

What is the basic si unit of mass?

A

Kilogram

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16
Q

What si used to measure mass?

A

A balance

17
Q

What would you use to measure smaller masses?

A

Gram and milligrams

18
Q

What are the conversions for mass?

A

1kg=1,000g

1g=1,000mg

19
Q

Weight

A

A measure of the force of gravity acting on an object

20
Q

What is used to measure weight?

A

A scale

21
Q

What is the si unit of weight?

A

Newton

22
Q

Volume

A

The amount of space an object or substance takes up

23
Q

What si unit is used for measuring volume of solid?

A

Cubic meter (cm3)

24
Q

What is the si unit for measuring volume of liquid and gases?

A

Liter (L)

25
Q

What are the conversions of volume?

A

1m3=1,000,000cm3
1cm3=1mL
1L=1,000mL
1L=1,000cm3

26
Q

What is the volume of a liquid measured with?

A

Graduated cylinder

27
Q

Density

A

A measure of how much mass is contained in a given volume.

28
Q

What is the si unit of density ?

A

Kilogram per cubic meter

29
Q

What kind of data do line graphs display?

A

Show how one variable changes in respond to another variable

30
Q

What are line graphs powerful tools?

A

Line graphs are powerful tools because they allow you to identify trends and make predictions about those trends

31
Q

Graphs

A

Organized data into a picture that can be analyzed

32
Q

Manipulated variable

A

Scientist make a changes to this variable only

33
Q

Responding variable

A

Data scientist collect show how a secound variable responded to this changes

34
Q

Continuous variable

A

Has point between the tested points temperature and time is an example

35
Q

Line graph

A

Useful for recording the results of many experiments

36
Q

How do you use a line graph in an experiment?

A

Scientist Change one variable called the manipulated variable. The data they collect show how a second variable responded to this changes the responding variable

37
Q

What is a linear graph?

A

A line graph in which the data points from a straight line

38
Q

What is a nonlinear graph?

A

A line graph in which the data points do not fall along a straight line

39
Q

What do both no linear and linear graphs show?

A

Trends

40
Q

What is scientific inquiry?

A

Scientific inquiry refers to the diverse ways in which scientist study the natural world and based propose explanations on evidence they gather

flash cards (22 decks)

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