8th Grade Science Midterm Reviewer

Flashcard
•
Science
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is positive reinforcement?
Back
Positive reinforcement is a behavioral strategy that involves rewarding desired behaviors to encourage their recurrence.
2.
FLASHCARD QUESTION
Front
What conclusion can be drawn from an experiment that shows improved behavior with positive reinforcement?
Back
The results support the researcher's prediction; the behavior of the students in this experiment improved when positive reinforcement was used.
3.
FLASHCARD QUESTION
Front
Which element has similar chemical properties to phosphorus (atomic #15)?
Back
Nitrogen, because nitrogen is located right above phosphorus in the periodic table.
4.
FLASHCARD QUESTION
Front
What happens when a sample of gold is reduced to its smallest particle?
Back
The sample would be reduced to atoms of gold.
5.
FLASHCARD QUESTION
Front
How does a hypothesis contribute to scientific investigation?
Back
A hypothesis leads to further investigations, even if it is not supported by data.
6.
FLASHCARD QUESTION
Front
What does the historical development of the heliocentric model demonstrate about scientific reasoning?
Back
Science is based on evidence and is open to change.
7.
FLASHCARD QUESTION
Front
What is a hypothesis?
Back
A hypothesis is a testable prediction about the relationship between variables.
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