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IBC > Unit 1 > Flashcards

Unit 1 Flashcards

1
Q

What is science

A

Science is a way of learning about the natural world that is based on evidence and logic

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2
Q

What is the goal of science

A

To understand WHY and HOW thing happen

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3
Q

How does science advance

A

Science advances as new evidence accumulates. This allows scientists to replace, refine or expand upon accepted ideas.

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4
Q

What is a scientific theory

A

A broad explanation thats is widely excepted because is it supported by evidence

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5
Q

What are some examples of scientific theories

A

Bing Bang theory,cell theory, Atomic Theory, Plate tectonics

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6
Q

Why are theories important in science

A

Theories are important because they explain known facts and make predictions for future investigations

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7
Q

What is a scientific law

A

The description of an observed phenomenon

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8
Q

What are some examples of Scientific Laws

A

Newtons first law of motion, Newtons second law of motion, Law of conservation of mass

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9
Q

How is a law different from a theory

A

Scientific laws state what always happens
Scientific theories state why things happen

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10
Q

What is chemistry

A

The study of the composition of matter and the changes matter undergoes.

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11
Q

What is matter

A

anything that has mass and occupies space

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12
Q

Examples of matter

A

water, stars, ice cream, air, desk, literally anything

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13
Q

What is non matter

A

any type of energy or any abstract concept

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14
Q

examples of non matter

A

Time, Sound, Gravity, Feelings

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15
Q

What are the five area of chemistry

A

Physical Chemistry, Organic Chemistry, Analytical Chemistry, Biochemistry, Inorganic Chemistry

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16
Q

Physical Chemistry

A

Study of Physical properties of materials, create new materials

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17
Q

Organic Chemistry

A

Synthesize polymers, study carbon based materials

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18
Q

Analytical Chemistry

A

Study the composition of matter

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19
Q

Biochemistry

A

Synthesize proteins, study biological processes

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20
Q

Inorganic Chemistry

A

Study of non - carbon based materials (non living)

21
Q

What is inductive reasoning

A

The process of drawing general conclusions bases on many pieces of evidence

22
Q

How is inductive reasoning used in science

A

Draw general conclusions

23
Q

What is the scientific method

A

A logical, systematic approach to the solution of a scientific problem

24
Q

What are the steps of the scientific method

A
  1. Make an observation and ask a question
  2. Research topic if needed
  3. Make a hypothesis - if…then…because
  4. Design and conduct a controlled experiment
  5. Collect and analyze data
  6. Write a conclusion / report your results
25
Q

What is CER

A

C - Claim
E - Evidence
R - Reasoning

26
Q

CER - Claim

A

Answer the question (What do you know)

27
Q

CER - Evidence

A

From you data (need to have numbers)

28
Q

CER - Reasoning

A

A “rule” or scientific principle that describes why the evidence supports the claim

29
Q

What is an observation

A

Any information that is gathered with senses

30
Q

What senses can we use to make observations

A

Vision, Hearing, Touch, Smell, and Taste

31
Q

Why are observations important to scientific investigations

A

Observations raise questions that lead to scientific investigations.
Then observations help scientists gather evidence.

32
Q

What is a hypothesis

A

A hypothesis is an educated guess that can be tested with observations

33
Q

What are the two criteria of a hypothesis

A
  1. A scientific hypothesis must be testable
  2. Ascientific hypothesis must be falsifiable.
34
Q

What is an experiment

A

An experiment is a controlled scientific study of specific variables.

35
Q

What is a manipulated (independent) variable

A

A manipulated (or independent) variable is a variable that is changed by the researcher. A manipulated variable is also called an independent variable.

36
Q

What is a responding (dependent) variable

A

A responding (or dependent) variable is a variable that the researcher predicts will change if the manipulated variable changes. A responding variable is also called a dependent variable.

37
Q

What is a control

A

A control is a variable that must be held constant so it won’t influence the outcome of an experiment.

38
Q

What is a field study

A

When a scientist gathers evidence in the real world instead of in a lab

39
Q

When is a field study more appropriate than a laboratory experiment

A

Field studies are needed to investigate the environment

40
Q

Why is communication important in science

A

When scientists share their findings, they add to the body of scientific knowledge. They may also get useful feedback from other scientists.

41
Q

What are graphs

A

A picture to show the relationship between two sets of numbers

42
Q

Why are graphs important in science

A

Graphs organize date so we can interpret the results of an experiment

43
Q

What do bar graphs show

A

How variables COMPARE to each other

44
Q

What do line graphs show

A

trends in data and how variables change over time

45
Q

How should you determine the intervals for your axes

A
  1. Look at your data and determine the largest number that you need to graph
  2. Count the number of boxes on the graph paper along each axis
  3. Divide the largest number by the number of boxes
46
Q

Is there a way to check that you have created your graph correctly

A

Title
Axis
Interval
Label
Scale

47
Q

T.A.I.L.S

A

Title - The effect of IV on DV or The relationship between IV and DV
Axis - IV and Dv are labeled, Units are written as needed
Interval - Intervals are appropriate for the best representing data on the graph
Label - Categories and Scale are labeled
Scale - Scale is appropriate and spreads the graph over most of the paper

48
Q

What is replication

A

Getting the same result when an experiment is repeated - If research results can be replicated, it means they are more likely to be correct.

49
Q

Why is replication important

A

Replication is important in science so scientists can “check their work.”
The result of an investigation is not likely to be well accepted unless the investigation is repeated many times and the same result is always obtained.

IBC (4 decks)

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