Solutions Lesson

Which photo shows a mixture that is ALSO a solution?

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Tags

NGSS.MS-PS1-2

How an you separate a sugar and water solution?

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William thinks the design of his go-cart is too heavy and needs to be lighter. He comes up with a number of solutions and evaluates the constraints and criteria. One of his main constraints that affected most of his solutions was cost. Which next step would be the best one for William to take in order to solve this problem?

• Make models for all the solutions and test them.

• Go back to the drawing board and start a new design.

• Try to raise money to build and test all the solutions.

• Choose a solution and make a model based on that choice.

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-4

A kind of mixture that spreads or mixes evenly through out is called...

• Mixture

• Floating

• Solution

• Sinking

Mixture or Solution?

• mixture

• solution

Lemonade, tea and Kool-Aid are all examples of what?

• Mixtures

• Chemical change

• Gas

• Solutions

According to the learning material, what does the iterative process of designing and developing solutions involve?

• Testing only

• Revising only

• Retesting only

• Testing, revising, and retesting

Tags

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

Adding food coloring to water creates a solution. Which of these is true of all solutions?

• They all include water.

• The parts are evenly mixed.

• They are all liquids or gases.

• The substances are permantley combined.

The pot contains a mixture. The method shown in the picture can be used to separate what type of mixture?

• a solution, such as salt water

• a mixture of particles with different densities

• a mixture of particles of different sizes, such as seashells and sand

• a mixture of steel, which is magnetic, and aluminum, which is not magnetic

What is a solution in scientific terms?

• A mixture where substances are evenly distributed

• A mixture where substances are not evenly distributed

• A pure substance

• A chemical reaction