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8th Grade Science 1st 9 wk review > Nature of Science > Flashcards

Nature of Science Flashcards

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1
Q
  1. What is the difference between descriptive, comparative, and experimental investigations?
A

Descriptive: To tell about or tell all about something that is investigated; Comparative: To compare/contrast items investigated; Investigations: To TEST items that are investigated

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2
Q

Descriptive:

A

To tell about or tell all about something that is investigated

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3
Q

Comparative:

A

To compare/contrast items investigated

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4
Q

Investigations

A

To TEST items that are investigated

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5
Q
  1. Which type of investigation has a control group?
A

Experimental and Comparative

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6
Q
  1. Which type of investigation(s) is qualitative?
A

Descriptive and Comparative and Experimental

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7
Q
  1. Which type of investigation(s) is quantitative?
A

Experimental, Comparative

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8
Q
  1. How can DRY MIX be used to design graphs? Describes how to set up graphs:
A

DRY- Dependent, Responding on “Y” axis; MIX: Manipulated, Independent on the “X” axis

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9
Q
  1. When is it appropriate to use line, bar and pie graphs?
A

Line: Rate over time Bar: comparing Pie: Looking at percentages

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10
Q
  1. From data, how can range, frequency, mean, median and mode be determined?
A

Range: Frequency: Mean: Median: Mode:

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11
Q

Range:

A

determining the excess from top to bottom numbers

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12
Q

Frequency:

A

how often something occurs

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13
Q

Mean:

A

the average amount

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14
Q

Median:

A

mid point

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15
Q

Mode:

A

the most often something occurs

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16
Q
  1. Why are multiple or repeated trials necessary?
A

For validity

17
Q
  1. What metric unit is used to measure length, mass, and volume?
A

Length: meters Mass: grams Volume: Liter

18
Q

Length:

A

meters

19
Q

Mass:

A

grams

20
Q

Volume:

A

Liter

21
Q
  1. Be able to correctly read the mass measurement on…
A

a triple beam balance;measure on a graduated cylinder and the length on a meter stick.

8th Grade Science 1st 9 wk review (7 decks)

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