Search Results
Showing results 181 to 200 of 251
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-481.png?itok=OSjpHEQT)
Erupting Fizz
Source Institutions
This is a highly visual demonstration that illustrates both the effects of density and chemical reactions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-580.jpg?itok=MljVVkuE)
Invisible Ink
Source Institutions
In this simple chemistry activity (page 1 of PDF under SciGirls Activity: Colorblind Dogs) about acids and bases, learners will mix a baking soda and water solution and use it to paint a message on a
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-483.png?itok=CuCKFY_y)
Lifting Lemon
Source Institutions
In this physics demonstration, learners will be surprised when a lemon slice appears to magically levitate within a pint glass.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-323.jpg?itok=X58Inc76)
M&M's in Different Sugar Solutions
Source Institutions
In this activity, learners investigate whether having sugar already dissolved in water affects the speed of dissolving and the movement of sugar and color through the water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-808.jpg?itok=uZ6sRLiF)
Milk Magic
Source Institutions
In this activity, learners experiment with how dish soap and fat interact by making a colorful swirl.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-865.jpg?itok=c2zrrYcB)
Onion DNA Extraction
Source Institutions
This laboratory exercise is designed to show learners how DNA can easily be extracted from onion cells using simple materials.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-839.png?itok=9EgdviNS)
Chemical Identification
Source Institutions
In this activity, learners discover how a cabbage juice indicator helps identify acids and bases, and how iodine indicates the presence of starch.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-977.png?itok=2mOjwxWb)
Disappearing Colors
Source Institutions
In this challenge, learners figure out how to make a juice stain disappear.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-782.jpg?itok=fN3cMS8B)
Sweetly Balanced Equations
Source Institutions
In this (edible) activity, learners balance chemical equations using different kinds and colors of candy that represent different atoms. Learners will work in pairs and explore conservation of atoms.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-546.png?itok=p1E6eqoH)
Air-filled (Pneumatic) Bone Experiments
Source Institutions
Just like birds, some dinosaurs had air-filled (pneumatic) bones, which made the dinosaurs' skeletons lighter.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-268.jpg?itok=TLx3fUdZ)
Using Chemical Change to Identify an Unknown
Source Institutions
In this activity, learners will develop a method to test five similar-looking powders (baking soda, baking powder, cream of tartar, detergent, and cornstarch) with four test liquids (water, vinegar, i
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-635.gif?itok=uOFfS4tM)
Dye Like A Natural
Source Institutions
In this activity, learners stain fabrics--on purpose!
Growing Rock Candy
Source Institutions
In this activity, learners make their own rock candy. Crystals will grow from a piece of string hanging in a cup of sugar water. The edible crystals may take up to a week to form.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-016.png?itok=dL85oT5v)
The Nose Knows!
Source Institutions
In this activity on page 9 of the PDF, learners test how flavoring extracts move through the walls of a balloon.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-392.gif?itok=8ejVQPiy)
Electricity: Fruit Batteries
Source Institutions
In this activity, learners create a battery from fruit. This activity helps learners explore electricity, electrochemistry, and series circuits as well as the process of scientific inquiry.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-386.jpg?itok=CZMHR_X1)
Density Rainbow
Source Institutions
In this activity, learners mix several sugar solutions to investigate the property of density. Each sugar solution has a different density and color of the rainbow.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-803.jpg?itok=Rdsd9UEn)
pHun with Cabbage
Source Institutions
In this chemistry activity, learners will test the pH of various foods and household substances using cabbage.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-017.png?itok=9G5AQVLZ)
Sweet Measurements
Source Institutions
In this activity on page 3 of the PDF, learners investigate how much sugar is in a soda. Learners use sugar cubes to measure and calculate the amount of sugar in a bottle of soda.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-003.png?itok=RdYkHSvQ)
Cheese: Behold the Power of Chemistry
Source Institutions
In this activity on page 7 of the PDF (Get Cooking With Chemistry), learners conduct an experiment to get an idea of how cheese is made.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-269.jpg?itok=IMqB7Mrb)
Powder Particulars
Source Institutions
In this introductory activity and demonstration, learners are introduced to the concept that different substances react chemically in characteristic ways.