Unit 1 Flashcards

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1
Q

Science

A

the study of the natural world

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2
Q

Scientist

A

a person who asks questions about the natural world

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3
Q

Observation

A

information collected using the 5 senses

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4
Q

Hypothesis

A

an idea or explanation that can be tested with an investigation

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5
Q

Investigation

A

the process scientists use to answer questions

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6
Q

Inference

A

a statement that explains an observation

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7
Q

Empirical Evidence

A

data collected through direct observation

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8
Q

Evidence

A

data gathered during an investigation

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9
Q

Microscope

A

a tool for looking at objects that cannot be seen with the eye alone and it magnifies more than a hand lens.

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10
Q

Pan Balance

A

tool used to measure mass with units called grams

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11
Q

Spring Scale

A

tool used to measure force in units called newtons

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12
Q

Triple Beam Balance

A

a tool used with one pan and 3 beams to measure mass more accurately than a pan balance

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13
Q

Data

A

bits of information you observe in numbers or descriptions

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14
Q

Model

A

represents something real that is too big, too small, too far away, or has too many parts to investigation directly

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15
Q

2D Model

A

has length and width and can be a drawing, diagram, or a map

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16
Q

3D Model

A

has length, width, and height, example is a globe

17
Q

Computer Model

A

a computer program that models an event or an object.