American Chemical Society
Why Does Water Dissolve Sugar?
Did you know that if you wait long enough, the M on the outside of an M and M will float to the surface when submerged in water? Learners observe the sugar coating of an M and M while it is dissolving in water. They explain how this...
Curated OER
Sugar in Tea
Little chemists address whether or not you can get sugar back out of tea after it has dissolved. The PowerPoint itself simply walks them through the questioning process, considering different possibilities. The final slide settles on...
American Chemical Society
Does Temperature Affect Dissolving?
When making sweet tea, why do people dissolve the sugar in hot tea instead of cold tea? The class discusses the previous lab and builds upon it. Working in groups, they design an experiment to determine how temperature affects the...
Curated OER
One Sweet Experiment
This resource is designed to be used as a lab sheet when experimenting with the dissolution of sugar in water. It's very nice in that it follows the scientific method of experimentation. There are places for the definition of the...
American Chemical Society
Defining Dissolving
Physical science investigators mix sugar and food coloring into different cups of water and cooking oil to compare how the solid and liquid behave in each. As the introduction to this unit on dissolving, it is relevant.
American Chemical Society
Dissolving a Substance in Different Liquids
Second of six lessons in a unit on dissolving, this one focuses on how sugar behaves in different liquids. Learners stir it into water, alcohol, and oil and make observations. This lesson can stand alone, but is best used as part of the...
PhET
Sugar and Salt Solutions
Ionic bonds form from electrostatic energy, allowing for higher conductivity than those seen in covalent bonds. In the simulation, learners add sugar and salt to water and see the effects on concentration and conductivity of their...
American Chemical Society
M&M's in Different Sugar Solutions
To conclude a mini unit on the dissolving of M&Ms® candy coating, this lesson plan investigates whether or not the concentration of sugar in the solvent affects the dissolving rate. Consider having older science learners write their...
American Chemical Society
Dissolving an M&M
Here's a sweet lesson to explore solutes and solvents. Using candies and water, learners observe properties of parts of the solution as the candies dissolve. They then modify the setup and note variations in the solution.Â
American Chemical Society
Using Dissolving to Identify an Unknown
There is a solvent called aqua regis that can dissolve gold! After observing a solubility demonstration, groups receive four known crystals and one unknown. Based on the demo, they design an experiment to determine the identity of the...
American Chemical Society
Mysterious M&M's
The first in a six-lesson mini unit, all using M&Ms® candies, this physical science activity gets kids to observe a single piece and discover what happens when it is placed in a plate of water. The activity can be used to introduce...
American Chemical Society
Solubility Test
Make sure to consult the teacher's handbook, Inquiry in Action - Investigating Matter Through Inquiry, for two demonstrations that can be done to introduce solubility and measuring crystal mass before having the class conduct this...
Chymist
Determination of the Volume of CO2 in Pop Rocks
Where does the pop in pop rocks come from? An engaging activity asks scholars to measure the amount of carbon dioxide in a package of Pop Rocks candy. Learners dissolve the candy in water and use the solubility of CO2 to determine its mass.
Curated OER
Mixing Dissolving Quiz
Answer true or false to get through this 11 question quiz on mixing and dissolving. Budding chemists who know their stuff will have no problem determining which dissolving and mixing questions are correct. A basic quiz on the basic...
Cornell University
Energy Changes in Chemical Reactions
The heat of solution measures how much thermal energy a dissolving substance consumes or gives off. The experiment demonstrates both endothermic and exothermic reactions. Scholars dissolve several substances, measure the temperature...
Curated OER
What Are The Properties of Sea Water?
Ninth graders conduct research on the subject of sea water. They use a variety of resources to obtain information. There are helpful resource links listed in the lesson plan. In conjunction with the research students make inquiry of the...
Curated OER
Looking At Variables
Students predict and test different variables that would effect sugar cubes dissolving in water. In this dissolving lesson plan, students have 4 petri dishes with 4 different variations of sugar cubes and water. They predict which will...
Curated OER
Rock Candy
Fourth graders observe and demonstrate the physical change of dissolving sugar in water and evaporating the water to examine the physical change that has occurred. They discuss physical changes and solutions, and make rock candy,...
Curated OER
Dissolving Solids and Gases
For this dissolving solids and gases worksheet, students learn that the process of dissolving gas is opposite of the process of dissolving solids. Students answer 3 critical thinking questions about dissolving gases and solids in solutions.
Curated OER
Sinkholes in a Cup
Students create sinkholes and learn about the formation of sinkholes by using water, a foam cup, sugar, sand, and a sponge. In this sinkholes lesson plan, students also answer short answer questions.
Curated OER
The Chemistry of Water
Students investigate the properties of water. In this chemistry of water lesson plan, students observe a demonstration of the properties of water using sand, sugar, oil, vinegar and salad dressing. Students experiment with water, pepper,...
Curated OER
Dust in the Wind; Chemicals in the Water
High schoolers explore mechanical and chemical weathering at stations. They articulate some mechanisms of chemical and mechanical weathering through exploration in a lab. Students stations describe how chemical weathering differs from...
Curated OER
Call Me Bond, Hydrogen Bond
As amazing as James Bond is, the surface tension of water does not allow him to walk on it! For this series of little lab activities, physical scientists play with the properties of water due to the hydrogen bonds and resulting polarity....
Curated OER
The Effect of Temperature on Solubility
In this solubility worksheet, students conduct an experiment to see how temperature effects the solubility of salt in water. Students record their data in a chart and then graph the results. Then students complete 2 short answer questions.