Search Results
Showing results 1 to 20 of 44
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-383.jpg?itok=PVsEW8VY)
Cleaning with Dirt
Source Institutions
Learners build a filter from old soda bottles and dirt. They create polluted water, and pour it through their filter to clean it.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-635.jpg?itok=MqccZlB5)
Rusty Penny
Source Institutions
In this easy chemistry activity, learners submerge pennies in different liquids (water, lemon juice, vinegar, liquid hand soap, salt water, and baking soda mixed with water) to observe which best clea
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-007.png?itok=D5braTXF)
Make Your Own Sculpture Dough
Source Institutions
In this activity on page 7 of the PDF, learners follow a recipe to make a dough similar to the clay artists use to make sculptures.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-998.gif?itok=sAM3kuGJ)
Density: Make a golf ball float!
Source Institutions
In this activity (on page 2 of the PDF), the learner places a golf ball between salt water and colored fresh water. The golf ball is not as dense as the saltwater.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-005.png?itok=zD7rW-s8)
Find the Fizz: Discover the Secret of Baking Powder
Source Institutions
In this activity on page 4 of the PDF (Get Cooking With Chemistry), learners investigate ingredients that combine to produce gas bubbles.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-626.jpg?itok=IbatR_md)
Separation Anxiety
Source Institutions
In this activity, learners discover the primary physical properties used to separate pure substances from mixtures.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-647.png?itok=1bbf9lZ8)
Separating with Chromatography
Source Institutions
In this experiment, learners separate different types of molecules in marker inks (using a technique called "thin layer chromatography").
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-616.png?itok=U2rlzHsa)
It's a Gas!
Source Institutions
In this simple activity, learners see the production of a gas, which visibly fills up a balloon placed over the neck of a bottle.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-646.png?itok=ZEcHTSEg)
Atoms and Matter (3-6)
Source Institutions
In this activity, learners build models of atoms and molecules, then consider their role in different phases of matter, density, and mixtures and solutions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-970.png?itok=ixSt4N9L)
Which Powder is It?
Source Institutions
In this chemistry challenge, learners identify an unknown white powder by comparing it with common household powders.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-737.jpg?itok=3H7adkKE)
Kool Colors
Source Institutions
Learners investigate how temperature affects the rate of chemical reactions by observing how steel wool reacts with various types of Kool-Aid solutions at different temperatures.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-972.png?itok=MsgPm-Ze)
The Liquid Rainbow
Source Institutions
Learners are challenged to discover the relative densities of colored liquids to create a rainbow pattern in a test tube.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-006.png?itok=ssIne_aw)
Mystery Powders
Source Institutions
In this activity on page 2 of the PDF (Get Cooking With Chemistry), learners conduct chemical tests on certain powders used in cooking.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-022.png?itok=xgwNJTRU)
Forgotten Genius
Source Institutions
This series of chemistry stations is designed to accompany the PBS documentary about African-American chemist "Percy Julian: Forgotten Genius." Each of the six stations features either a chemical or p
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-330.jpg?itok=vRfTFDVB)
Egg Osmosis: A four day eggsperience!
Source Institutions
Eggs are placed in vinegar for one or two days to dissolve the shells. Then, learners place the eggs in water or corn syrup and observe them over a period of days.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-686.png?itok=leZY1XKB)
DNA Extraction
Source Institutions
Learners use a simple process to extract DNA from strawberries.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-687.png?itok=O0IUam7r)
Bend a Carrot
Source Institutions
In this activity, learners investigate the process of osmosis by adding salt to a sealed bag of raw carrots and comparing it to a control.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-002.gif?itok=H9njPW-a)
Natural Buffers
Source Institutions
Learners use a universal indicator to test the amount of sodium hydroxide needed to change the pH of plain water compared with the amount needed to change the pH of gelatin.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-001.gif?itok=ya_ijTMA)
Natural Indicators
Source Institutions
Learners combine different plant solutions -- made from fruits, vegetables, and flowers -- with equal amounts of vinegar (acid), water (neutral), and ammonia (base).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-028.png?itok=ukXipibM)
Disappearing Statues
Source Institutions
In this activity (on page 8), learners model how marble statues and buildings are affected by acid rain.