HMH Unit 2.2 Day Three pgs 114-117

HMH Unit 2.2 Day Three

Pgs 114-117

Mixtures and Solutions

• Imagine you are making a drink from a mix. You add water to a pitcher and then add a packet of flavor crystals. You take a spoon and stir everything together. Other than a tasty drink, what have you made?

• Adding these things together formed something called a mixture.

• A mixture is a combination of two or more different substances in which the substances keep their identities.

• If you sipped the drink you mixed, you would taste the flavor that was added to the water.

Mixtures and Solutions

• In a mixture, each part keep sits own properties.

• Have you ever accidentally swallowed some ocean water?

• If so, then you have tasted a mixture-water and salt.

• Mixtures can often be separated. If you leave a dish of ocean water out in the sun, the water evaporates, and a small pile of salt remains.

Open Ended

Name a mixture you may find at a meal. Answer in a complete sentence.

Multiple Choice

Choose the word to complete the sentence:

When particles are blended together, it forms a substance called a ______.

• mixture

• salad

Multiple Choice

Choose the word to complete the sentence:

When this happens, each particle keep its own _______.

• behavior

• properties

Multiple Choice

Choose the word to complete the sentence:

One thing that is special here is that the particles can always be _________.

• separated

• shrunk

Multiple Choice

Choose the word to complete the sentence:

A good example of a mixture is _______.

• salad

• bread

What is a Solution?

• Some mixtures are obvious, such as a salad. Other mixtures, such as ocean water, are so well blended that it’s hard to know they contain more than one thing.

• A mixture that has the same composition throughout because its parts are mixed evenly is called a solution.

Multiple Choice

Which word fits better?

A taco is a good example of a ______ because all of its parts can be seen.

• mixture

• solution

Multiple Choice

Which word fits better?

Lemonade is an example of a _______ because its parts are so well mixed that they can't be easily seen or separated.

• mixture

• solution