What is science? Flashcards

1
Q

What is science?

A
  1. Scientific knowledge of the world that is always changing.
  2. We observe and ask questions about the world.
  3. The goal is to provide explanation supported by data to predict natural events.
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2
Q

Why is scientific knowledge always changing?

A

Because we make observations and ask questions which help us find new or different things about the situation.

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3
Q

What is the goal in science?

A

To provide explanations supported by data to predict natural events.

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4
Q

What is science not?

A

Static facts

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5
Q

Why is science not static facts?

A

Because science knowledge is always changing.

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6
Q

How is the fire in Buffalo supported by what science is?

A

The fire has scientists knowledge always change because there are different factors like how the wind keeps shifting.

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7
Q

Scientific Methodology

A
  1. Make observations using your 5 senses and ask questions.
  2. Inferring and form a hypothesis
  3. Word hypothesis as if, then, because.
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8
Q

What can you use to make observations?

A

Sight, touch, smell, taste, and hearing.

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9
Q

What do you do after you make observations and infer?

A

form a hypothesis.

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10
Q

Make a hypothesis about studying and music.

A

IF a student uses music to study, THEN they will obtain the knowledge better BECAUSE it is easier to stay focused with music.

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11
Q

Design a controlled experiment.

A
  1. Find out the needed steps to take and the supply’s you need.
  2. Have a group that you change nothing with. A control group, along with the independent variable and the dependent variable
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12
Q

What is the independent variable?

A

The thing in the experiment that is always being changed

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13
Q

What axis is the independent variable located on?

A

the x axis

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14
Q

What is the acronym for the independent variable and what does it stand for?

A

Manipulate
Independent variable
X axis

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15
Q

What is the independent and dependent variable and what is the control group?

A study was done to find if different tire treads affect the braking distance of a car.

A

IV-Different tire treads
DV- braking distance of a car with different tire treads
C-Tire treads the car uses normally

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16
Q

What is the dependent variable?

A

The results or the thing that is being observed.

17
Q

What axis is the dependent variable located on?

A

the y axis

18
Q

What is the dependent variable acronym and what does it stand for?

A

Dependent variable
Results
Y axis

19
Q

Collecting and analyzing data

A
  1. Pick the tools and technology you need.
  2. Record the data you collect in data charts or tables
  3. Examine data by making graphs.
20
Q

How can you analyze data?

A

make graphs

21
Q

How can you collect data?

A

Pick the tools and technology necessary, and put the collected data into data charts or tables.

22
Q

Interpret data and draw a conclusion.

A
  1. Take in all of your data collected and make a conclusion to show what it means.
  2. Was your hypothesis correct? Why or why not?
  3. What did you learn from the experiment?
  4. What mistakes did you make that could have altered the results?
  5. Theories-tested, reliable explanations of events.
23
Q

What is the difference between a theory and a hypothesis?

A

A theory is an explanation you make after doing many experiments, testing, and collecting lots of data. A hypothesis is an educated guess you make using observations before experimenting.

24
Q

Why are hypotheses important for a controlled experiment?

A

They are important because they help you to create a set up for your experiment. They also can help you use your 5 senses and make observations.

25
Q

What are the 4 main parts to a graph?

A
  1. Title
  2. Independent variable
  3. Dependent variable
  4. Scale and key
26
Q

What is the difference between a chart and a graph?

A

Chart-records data
Graph-analyzes data

27
Q

List the 5 steps of the scientific method and explain each

A
  1. Observe using your 5 senses
  2. Form a hypothesis using the words if, then, because.
  3. Design the experiment using the hypothesis, IV and DV
  4. Record data-put it into data charts and tables
    Analyze data-put it into
    graphs
  5. Make a conclusion. Explain everything from the experiment.
28
Q

Number 5 of the scientific method and explain it.

A

Make a conclusion. Explain everything from the experiment.

29
Q

Number 3 of the scientific method and explain it.

A

Design the experiment using the hypothesis, IV and DV

30
Q

Number 2 of the scientific method and explain it.

A

Form a hypothesis using the words if, then, because.

31
Q

Number 1 of the scientific method and explain it.

A

Observe using your 5 senses

32
Q

Number 4 of the scientific method and explain it.

A

Record data-put it into data charts and tables
Analyze data-put it into
graphs