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Praxis Elementary Education > Science : Technology > Flashcards

Science : Technology Flashcards

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1
Q

NOn renewable sources : 3

A

Oil
Natural gas
Coal

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2
Q

Carbon dioxide, methane when emitted into air trap heat and contribute global warming

A

Greenhouse gasses

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3
Q

Releasing the energy stored in large atoms by breaking into smaller atoms creates

A

Nuclear power

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4
Q 
Scientific method:
Queen 
Rachel
Hopes
Every
Coward
Gains 
Courage
A 
Question 
Research
Hypothesis
Experiment 
Collect data 
Graph 
Conclusion
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5
Q

Widely accepted hypothesis, and *explanation

A

Theory

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6
Q

Description of a natural phenomenon

*does not explain

A

Scientific law

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7
Q

Controlled by the experimenter, factors hypothesized to have an effect on th system

2 names

A

Independent variables or experimental variable

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8
Q

Ex:

Fertilizer
Plant growth
Plant type, water , sunlight

A

Fertilizer - independent variable
Plant growth - dependent variable
Plant type, water , sunlight - controls

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9
Q

Factors that can make it appear that the independent variable has a greater effect than it actually does

A

Confounding variables

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10
Q

Measures volume

A

Beaker and graduated cylinder

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Praxis Elementary Education (34 decks)

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