Search Results
Showing results 101 to 120 of 450
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-378.gif?itok=2P6IKUB0)
Our Sense of Hearing
Source Institutions
In this activity, learners investigate the sense of hearing and plan and conduct their own experiments.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-344.gif?itok=lW3zoeqZ)
The Blind Spot
Source Institutions
In this activity (1st on the page), learners find their blind spot--the area on the retina without receptors that respond to light.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-861.jpg?itok=bKqyru6H)
Bone Identification
Source Institutions
This activity (page 3 of the PDF under SciGirls Activity: Dinosaurs) is a full inquiry investigation into fossil hunting and identification.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-442.jpg?itok=wBxbWYFP)
Ripening of Fruits and Vegetables
Source Institutions
In this activity, learners test the rate of ripening fruit and vegetables and use a chemical to inhibit the ripening process.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-308.png?itok=5W6tEFNm)
Iron for Breakfast
Source Institutions
Did you know that some breakfast cereals are fortified with ferric phosphate, while others contain tiny pieces of reduced iron?
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-260.jpg?itok=QMGg2-GJ)
Lever Cowboy
Source Institutions
In this activity, learners build a figure that moves and "comes to life" when they pull its string.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-538.png?itok=BmJZraLK)
Serving Sizes
Source Institutions
In this nutrition and estimation activity (page 12 of PDF), learners estimate serving sizes of different foods and compare their estimates to serving size information provided on nutrition food labels
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-582.jpg?itok=TLHfCbIJ)
Root Beer Float
Source Institutions
In this quick activity/demonstration about density, learners examine what happens when two cans of root beer--one diet and one regular--are placed in a large container of water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-596.png?itok=gunmMMiF)
How can Clouds Help Keep the Air Warmer?
Source Institutions
In this activity, learners explore how air warms when it condenses water vapor or makes clouds.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-875.jpg?itok=yHhyLgi_)
Starting Your Container Garden
Source Institutions
This guide outlines how to plant a garden even if you don't have a yard!
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-657.jpg?itok=w-s854kR)
Jump for the Moon
Source Institutions
In this activity, learners will train to increase bone strength and to improve heart and other muscle endurance by performing jump training with a rope, both while stationary and moving.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-176.jpg?itok=cjlgaZmr)
Owl Pellets
Source Institutions
In this activity (page 7 of the PDF), learners will investigate the contents of owl pellets. Learners will discover how owls digest their food as well as the kind of animals they eat.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-769.jpg?itok=zm1bNgp6)
Stiff Bones, Bendy Bones
Source Institutions
Bones are stiff, which helps us lift heavy things and walk around, but they are also somewhat flexible, which lets them bend slightly.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-782.jpg?itok=xLGh1fUi)
What's In Your Breath?
Source Institutions
In this activity, learners test to see if carbon dioxide is present in the air we breathe in and out by using a detector made from red cabbage.
Moving Pictures
Source Institutions
In this optics activity, learners create flip books by drawing an image like an eye opening and closing on 24 small pages of paper.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-229.png?itok=Hd8Rcr-6)
Variation Game
Source Institutions
In this set of outdoor games, learners play the role of monkeys that are trying to get enough resources (food, shelter, and space) to survive.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-378.jpg?itok=ZD_SWZ5D)
Space Stations: Beans in Space
Source Institutions
In this activity, learners perform 20 arm curls with cans that simulate the weight of beans on Earth versus the weights of the same number of beans on the Moon and in space.
Yeast Balloons
Source Institutions
Visitors observe a bottle with a balloon attached around the mouth. The bottle contains a solution of yeast, sugar, and water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-771.jpg?itok=hPGh-uZY)
Double Dutch Distractions
Source Institutions
This activity (page 2 of the PDF under SciGirls Activity: Double Dutch) is a full inquiry investigation into whether hearing or seeing has a bigger effect on jump rope performance.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-311.jpg?itok=9kUduGWF)
Testing for Life's Molecules
Source Institutions
In this activity, learners conduct tests for proteins, glucose, and starch.