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Science > First Test > Flashcards

First Test Flashcards

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Biology 101 flashcards
0
Q

Hypothesis??? Format???

A

If, then, because

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1
Q

3 rules

A

Clean all equipment when done; don’t reach over flame; don’t eat during lab

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2
Q

Hypothesis

A

Educated guess

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3
Q

Data

A

Information gathered during an experiment

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4
Q

Control

A

The group in an experiment that does not change

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5
Q

Variable

A

Any factor that can be controlled or changed in an experiment

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6
Q

Independent variable, where on graph?

A

Changed by scientists, on bottom of graph

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7
Q

Dependent variable, where on graph?

A

Changes because of independent variable, on right of graph

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8
Q

Theory

A

Summarizes hypothesis or group of hypotheses that have been supported with repeated evidence

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9
Q

Laws

A

Generalizes body of observations, considered a fact

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10
Q

Scientific method

A

Process used to find answers to questions about the world around us

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11
Q

Steps of scientific method

A

Problem, hypothesis, design procedure, make experiment, analyze data-if reliable, write conclusion,-if not reliable, do experiment again.

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12
Q

Length

A

Distance between 2 points, ruler, meter

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13
Q

Mass

A

Amount of matter in an object, balance, grams

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14
Q

Temperature

A

Amount of heat, thermometer, kelvin, Fahrenheit, Celsius

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15
Q

Time

A

Duration, stopwatch, seconds

16
Q

Volume of liquid

A

Amount of space a liquid takes up, graduated cylinder, liter

17
Q

Volume of solid(2 solids!!!)

A

Amount of space something takes up, graduated cylinder, overflow can, ruler, unit 3

18
Q

Density

A

Ratio of mass to volume, mass/volume, grams/centimeter 3,

grams/millimeter

19
Q

Meniscus

A

Bubble where the water is measured. Looks like this=\___/

20
Q

34 mm= ?m

A

.034cm

21
Q

200dm=?Dm

A

20000

22
Q

Celsius into kelvin

A

C+273.15

23
Q

Kelvin into Celsius

A

K-273.15

24
Q

Celsius into Fahrenheit

A

1.8(C)+32

25
Q

Fahrenheit into Celsius

A

(F-32)/1.8

Science (6 decks)

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