Semester Exam Fall

Semester Exam Fall

Assessment

Flashcard

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Science

6th - 8th Grade

Hard

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15 questions

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1.

FLASHCARD

Front

What is an aquifer?

Back

An aquifer is a geological formation that can store and transmit groundwater, typically made of permeable rock or sediment.

2.

FLASHCARD

Front

How many total atoms are in the compound H₂C₃O₄N₅?

Back

There are 14 total atoms in the compound H₂C₃O₄N₅.

3.

FLASHCARD

Front

What causes Earth's tectonic plates to move?

Back

Convection currents in the mantle cause Earth's tectonic plates to move.

4.

FLASHCARD

Front

If an object takes 100 seconds to return to its starting point, what does this indicate about its motion?

Back

It indicates that the object has completed a full cycle of motion and returned to its original position.

5.

FLASHCARD

Front

Do solutes dissolve quicker in cold or warm water?

Back

Solutes dissolve quicker in warm water.

6.

FLASHCARD

Front

What is the definition of a solute?

Back

A solute is a substance that is dissolved in a solvent to form a solution.

7.

FLASHCARD

Front

What is the definition of a solvent?

Back

A solvent is a substance that dissolves a solute, resulting in a solution.

8.

FLASHCARD

Front

What is the role of convection currents in the mantle?

Back

Convection currents in the mantle transfer heat from the Earth's interior to the surface, driving plate tectonics.

9.

FLASHCARD

Front

What is the difference between a compound and a mixture?

Back

A compound is a substance formed when two or more elements chemically bond, while a mixture is a combination of two or more substances that retain their individual properties.

10.

FLASHCARD

Front

What is the significance of the Earth's tectonic plates?

Back

The movement of tectonic plates shapes the Earth's surface, causing earthquakes, volcanic activity, and the formation of mountains.

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