Amplify Science Modeling Matter Review

Front

What is a universal solvent?

Back

A universal solvent is a substance that can dissolve most other substances. Water is known as a universal solvent because it can dissolve many different types of molecules.

Front

Why does water dissolve most substances?

Back

Water dissolves most substances because of its polar nature, which allows it to interact with and separate the molecules of the solute.

Front

What happens to sugar when it is stirred into lemonade?

Back

The sugar dissolves in the lemonade, meaning it breaks down into smaller particles and mixes evenly with the liquid.

Front

What is chromatography?

Back

Chromatography is a technique used to separate mixtures into their individual components based on their different properties, such as weight or size.

Front

What causes food dye to separate into different colors in chromatography?

Back

The food dye separates into different colors because of the different weights of the molecules in the dye.

Front

What does it mean for a substance to be soluble?

Back

A substance is soluble if it can dissolve in a solvent, such as water.

Front

What does it mean for a substance to be insoluble?

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A substance is insoluble if it cannot dissolve in a solvent, meaning it will not mix evenly with the liquid.

Front

Can all solids dissolve in water?

Back

No, not all solids can dissolve in water. Only those that are soluble will dissolve.

Front

What are some examples of soluble substances?

Back

Examples of soluble substances include sugar, salt, and citric acid.

Front

What are some examples of insoluble substances?

Back

Examples of insoluble substances include sand, pepper, and oil.