Science MPT Quarter 4 Practice

Science MPT Quarter 4 Practice

Assessment

Flashcard

English

7th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What are convection currents?

Back

Convection currents are the movement of fluid caused by the heating and cooling of the fluid. As a fluid is heated, its molecules spread out, making it less dense and causing it to rise, while cooler, denser fluid sinks, creating a continuous circulation pattern.

2.

FLASHCARD QUESTION

Front

Why do high pressure systems move towards low pressure systems?

Back

High pressure systems push harder against low pressure systems due to differences in pressure. This movement is driven by the natural tendency of fluids to move from areas of high pressure to areas of low pressure.

3.

FLASHCARD QUESTION

Front

What is a chemical change?

Back

A chemical change is a process where substances combine or break apart to form new substances with different properties. An example is a copper penny turning greenish due to oxidation.

4.

FLASHCARD QUESTION

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition. Examples include changes in state, such as melting or freezing.

5.

FLASHCARD QUESTION

Front

How many areas of low pressure are typically found on a weather map?

Back

The number of low pressure areas can vary, but in the context of the provided question, there are 9 areas of low pressure.

6.

FLASHCARD QUESTION

Front

How do mountain ranges affect climate?

Back

Mountain ranges can affect climate by forcing air masses upwards, which generally cools the air and can lead to precipitation on the windward side.

7.

FLASHCARD QUESTION

Front

What is density?

Back

Density is the mass of a substance divided by its volume. It determines whether an object will float or sink in a fluid.

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