Search Results
Showing results 361 to 380 of 479
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-906.jpg?itok=dqS5AHvV)
Balsa Towers
Source Institutions
Learners work in groups to design and build a tower out of balsa wood. As a motivator, they can compete to build a tower with the highest strength-to-weight ratio.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-181.png?itok=Tl3IKUsH)
Big Banner Mural
Source Institutions
This activity is about the mural making process done about 9,000 years ago in Catalhoyuk, Turkey.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-251.png?itok=_URCU9TD)
Introduction to the Scientific Method
Source Institutions
In this activity (page 26 of the PDF), learners make observations, formulate hypotheses and design a controlled experiment, based on the reaction of carbon dioxide with calcium hydroxide.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-743.gif?itok=jJwm7nYu)
Inverse Square Law
Source Institutions
In this math activity related to light, learners explore why a light, such as a candle or a streetlight, looks dimmer the farther away from it we get.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-079.png?itok=Cr2weCmF)
Swell Homes
Source Institutions
In this outdoor activity, learners find the swollen bumps known as "galls" on various plants and get a closeup look at the parasitic animals living inside.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-128.png?itok=pgKkHp-E)
Protein Bracelets
Source Institutions
In this activity, learners use beads, which represent amino acids, to create protein bracelets. Learners examine the relationship between amino acids and proteins.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-100.png?itok=xa5AlrKF)
Print Hints
Source Institutions
In this physical sciences activity, learners explore how forensic investigators collect prints from a crime scene. Learners make hand impressions in damp sand and analyze the patterns they observe.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-395.jpg?itok=NRZf2NeD)
Taking Its Temperature
Source Institutions
In this activity (pages 5-7), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-114.png?itok=FVP_cDKJ)
Star Power
Source Institutions
In this activity, learners create a star show and discover how they can prevent light pollution. Using simple materials, learners first design constellation boxes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-355.jpg?itok=IayQ90_e)
Lotus Leaf Effect
Source Institutions
This is a demonstration about how nature inspires nanotechnology. It is easily adapted into a hands-on activity for an individual or groups.
![](/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-000-000-002-708.jpg?itok=7PjUegKS)
Airboat
Source Institutions
In this activity related to Newton's Laws of Motion, learners build a boat powered by a propeller in the air.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-185.jpg?itok=2fziJV2-)
How Do We Find Planets Around Other Stars?
Source Institutions
This fun and simple hands-on astronomy activity describes techniques scientists use to find planets orbiting other stars.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-547.png?itok=QlWFhGrM)
Seafood Surgery
Source Institutions
In this hands-on activity, learners discover the similarities and differences between a vertebrate and invertebrate by dissecting a perch and a crawfish.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-883.jpg?itok=TMmUdvZJ)
Bubble Geometry
Source Institutions
In this activity, learners use geometry in observing the shapes and angles soap bubbles create when they join together.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-742.jpg?itok=VN50_kyS)
Laser Jello
Source Institutions
In this activity, learners use gelatin as a lens to investigate the properties of laser light.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-237.jpg?itok=GSpGipsX)
Scientific Measurement Exercise
Source Institutions
Learners measure irregularly shaped bones using a variety of measurement methods and tools. Then, they measure again using standard conventions and metric tape measures.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-323.png?itok=I6yJJT-x)
Chocolate Chip Cookie Constellations
Source Institutions
This chocolate chip cookie recipe includes templates for baking night sky constellations of the season right on top! Two templates are included, one for 9pm mid-April, and one for 10pm mid-July.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-061.jpg?itok=cOsfo695)
Engineering Ups and Downs
Source Institutions
In this activity, learners explore the engineering and principles behind working elevators.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-781.jpg?itok=rpHfOfhs)
Yeast DNA Extraction
Source Institutions
This laboratory exercise is designed to show learners how DNA can easily be extracted from yeast using simple materials.