8th Grade Science Ohio Semester 1 Final Study Guide

8th Grade Science Ohio Semester 1 Final Study Guide

Assessment

Flashcard

Science

8th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the reason for similar fossils in Africa and South America?

Back

The presence of similar fossils in Africa and South America supports the theory of continental drift, suggesting that these continents were once connected.

2.

FLASHCARD QUESTION

Front

What is the geologic time scale?

Back

The geologic time scale is a system used by geologists to divide Earth's history into smaller, more manageable units.

3.

FLASHCARD QUESTION

Front

Which planet rotates the fastest?

Back

Jupiter is the planet that rotates the fastest in our solar system.

4.

FLASHCARD QUESTION

Front

What is an intrusion in geology?

Back

An intrusion is a mass of igneous rock that forms below the Earth's surface.

5.

FLASHCARD QUESTION

Front

What percentage of radioactive material remains after 4 half-lives?

Back

After 4 half-lives, 6.25% of the original radioactive material remains.

6.

FLASHCARD QUESTION

Front

What is a fossil?

Back

A fossil is the preserved remains or traces of ancient organisms.

7.

FLASHCARD QUESTION

Front

What is the scientific method?

Back

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

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