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Bring your test liquids to the test area. Pour a small amount of two different liquids together into one cup and mix them together with a clean spoon. What happens to the liquids? Did the two liquids become one new liquid, or do they remain separate liquids and form layers? Do they change colour, texture, smell, foam up, etc.?
Sometimes two liquids will form two separate layers, so it looks like they are immiscible. However, when you shake or stir the mixture, the two liquids blend together. This mixing behavior can be explained by the different densities of the two liquids. Every liquid has a density.
May 24, 2018 · Use your marker to label the bottles: Label the first “Oil+Water” and the second “Oil+Water+Soap.”. Write the labels as close to the tops of the bottles as possible. Pour one cup of water ...
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The following guides are available to teach students to make solutions, dilutions, and serial solutions for their chemistry and biology science projects and experiments. 1. How to Make Solutions for Chemistry and Biology Experiments 2. How to Make Dilutions and Serial Dilutions
The following word bank contains words that may be covered when teaching about the chemistry of mixtures using the lessons and activities in this resource. 1. Alloy 2. Brazil nut effect 3. Colloid 4. Crystallization 5. Density 6. Distill (distillation) 7. Emulsion 8. Ferrofluids 9. Ferromagnetic 10. Granular 11. Heterogeneous solution 12. Homogeneo...
For more resources to teach K-12 chemistry, see the following resource collections: 1. Teach Chemical Reactions - 20+ Chemistry Lessons and Activities 2. Green Chemistry and the School Science Lab - Safer Chemistry for Today and Tomorrow 3. 5 Fizzing, Foaming, and Bubbling Science Projects!
Collections like this help educators find themed activities in a specific subject area or discover activities and lessons that meet a curriculum need. We hope these collections make it convenient for teachers to browse related lessons and activities. For other collections, see the Teaching Science Units and Thematic Collections lists. We encourage ...
Lesson Planscontain materials to support educators leading hands-on STEM learning with students. Lesson Plans offer NGSS alignment, contain background materials to boost teacher confidence, even in areas that may be new to them, and include supplemental resources like worksheets, videos, discussion questions, and assessment materials. Video Lessons...
Dec 14, 2016 · There’s fun science in understanding that although water and soap make bubbles, to make long-lasting bubbles, you need some sort of sugar. Here’s one recipe: Measure 3 cups of water into one container. Add 1/2 cup dish soap, and stir GENTLY. Add 1/2 tablespoon glycerin OR 2 tablespoons light corn syrup. Stir gently.
Oct 8, 2021 · Breathing the gas created from mixing some cleaning products can even result in death. This is why you should never use two different cleaning products together - ever! Precipitate Formation. Sometimes when two solutions undergo a chemical reaction, one of the new products formed from the reaction is not soluble. This means that it is not able ...
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This is exactly what happens with the large and small molecules in mixtures. In this science project, you will investigate how the mixing ratio of two different liquids affects the excess volume of the mixture. We will use the mole fraction as a way to measure how much of one type of molecule there is in the mixture.
