Search Results
Showing results 121 to 140 of 346
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-919.jpg?itok=5Zr72B7C)
Try Your Hand at Nano
Source Institutions
This lesson focuses on two simple activities that younger learners can do to gain an appreciation of nanotechnology. First, learners measure their hands in nanometers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-511.jpg?itok=-Ar4N6xi)
Dancing Spaghetti
Source Institutions
In this chemistry activity, learners use spaghetti to explore density and chemical reactions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-505.jpg?itok=ayUKatE8)
Production of Oxygen
Source Institutions
In this chemistry activity, learners use yeast and hydrogen peroxide to generate a gas (oxygen) and test some of its properties.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-613.jpg?itok=m0wiaTy1)
Make Your Own Batteries!
Source Institutions
This activity (on page 3 of the PDF under GPS: Body Electricity Activity) is a full inquiry investigation into conductivity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-024.png?itok=q0n0tI-g)
New Sense about Cents
Source Institutions
In this activity on page 6 of the PDF (Chemistry—It’s Elemental), learners explore some of the properties of copper using a few common household ingredients.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-175.jpg?itok=7dr7dehN)
Spit Test
Source Institutions
In this biology activity (page 8 of the PDF), learners will explore how saliva assists in the beginning of the digestive process.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-173.jpg?itok=yb3czvSM)
¡Separando Colores!
Source Institutions
En esta actividad, los aprendices aprenderán que es la cromatografía y cómo usarla para separar diferentes sustancias - en este caso,usarán los colores.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-923.jpg?itok=PY6j713h)
Limewater
Source Institutions
This is a chemistry lab activity about solutions (page 6 of the PDF). Students make a limewater testing solution for carbon dioxide and explore the concepts of solubility and precipitates.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-516.png?itok=cYIuKPyy)
Moving Molecules!
Source Institutions
In this activity about molecular diffusion (located on page 2 of the PDF under Nanosilver Activity), learners will make predictions and move molecules of iodine through a seemingly solid plastic sandw
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-264.jpg?itok=Vzcbjb7d)
Full of Hot Air: Hot Air Balloon Building
Source Institutions
In this activity, learners create a model of a hot air balloon using tissue paper and a hairdryer. Educators can use this activity to introduce learners to density and its role in why things float.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-728.gif?itok=k7JUXWff)
A Mole of Gas
Source Institutions
In this two-part activity, learners use everyday materials to visualize one mole of gas or 22.4 liters of gas. The first activity involves sublimating dry ice in large garbage bag.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-318.jpg?itok=k8fcDf4I)
DIY Bath Bombs
Source Institutions
In this activity, learners will explore acid-base reactions and create their own bubbly results.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-414.jpg?itok=WJIcq4Y_)
Gumdrop Chains and Shrinky Necklaces
Source Institutions
In this activity, learners thread gumdrops together to make a model of a polymer.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-847.jpg?itok=TNNrcuIt)
Harvesting Chemicals from a Battery
Source Institutions
In this activity, learners take apart a used zinc-carbon dry cell battery.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-884.gif?itok=gf4aJ6Gl)
Test Density with a Supersaturated Solution
Source Institutions
Learners create three solutions with different levels of salinity. They compare the density of these solutions by coloring them and layering them in a clear plastic cup and in a soda bottle.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-995.png?itok=rkvt-Nt1)
Avogadro's Bubbly Adventure
Source Institutions
In this activity on page 7 of the PDF, learners investigate the solubility of gas in water at different temperatures. This experiment will help learners determine if temperature affects solubility.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-671.jpg?itok=Nm6CnC9m)
Hanford at the Half-Life Radiation Calculator
Source Institutions
This quiz lets you estimate your annual radiation exposure.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-407.jpg?itok=tAFyBfkU)
Burning Questions About a Candle
Source Institutions
In this activity, learners will observe a deceptively simple process: a burning candle.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-868.gif?itok=DZUUrLvl)
Make a DNA Model
Source Institutions
In this activity, learners make a 3-D model of DNA using paper and toothpicks. While constructing this model, learners will explore the composition and structure of DNA.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-840.png?itok=TZB_kyof)
Mixing and Unmixing in the Kitchen
Source Institutions
In this chemistry investigation, learners combine common cooking substances (flour, baking powder, sugar, salt, pepper, oil, water, food coloring) to explore mixtures.