Search Results
Showing results 441 to 460 of 1617
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-353.png?itok=ZRRw6na5)
Trash Traits
Source Institutions
In this activity on page 24, learners perform experiments to examine whether or not trash can float, blow around, or wash away.
Experiment with Fat
Source Institutions
In this nutrition/food science activity, learners conduct an experiment and record data to compare the amount of fat in different foods.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-564.jpg?itok=420yePDB)
Lightest and Heaviest: Sorting Algorithms
Source Institutions
Computers are often used to put lists into some sort of order—for example, names into alphabetical order, appointments or e-mail by date, or items in numerical order.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-128.jpg?itok=qJ7-7_k7)
Toasty Wind
Source Institutions
In this quick activity, learners use a toaster to investigate the source for the Earth's wind. Learners hold a pinwheel above a toaster to discover that rising heat causes wind.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-896.jpg?itok=Esep6R0o)
Construction Technologies: Construct the Strongest Bridge
Source Institutions
Learners work in pairs to create three simple types of bridges, a beam bridge, an arch bridge, and a suspension bridge.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-941.jpg?itok=YMmcJPEL)
Dinosaur Dig
Source Institutions
This is an activity about dinosaurs, fossils, and the work of paleontologists. Learners use hand tools (paint brushes, scoops, and sifters) to unearth fossil specimens in tubs of birdseed.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-882.jpg?itok=Ohy4xi2r)
Air, It's Really There
Source Institutions
This lesson focuses on molecular motion in gases. Learners compare the mass of a basketball when it is deflated and after it has been inflated.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-307.jpg?itok=_gK9EbHF)
Observing Earthworm Locomotion
Source Institutions
In this activity, learners collect worms and then observe how they move.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-461.jpg?itok=eONBaDnz)
Transit Tracks
Source Institutions
In this space science activity, learners explore transits and the conditions when a transit may be seen.
Effects of Solar Radiation on Land and Sea
Source Institutions
In this activity, learners explore the different heating properties of soil and water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-313.jpg?itok=zUbw3jA4)
DNA Fingerprinting
Source Institutions
In this forensics activity, learners solve a mystery using “DNA” taken from the scene of the crime.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-996.jpg?itok=Jq8XOQLX)
Programming Languages: Marching Orders
Source Institutions
In this activity about computer programming, learners follow instructions in a variety of ways in order to successfully draw figures.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-855.jpg?itok=vIeAsxIl)
Feeding Facilitation: A Lesson in Evolution and Sociobiology
Source Institutions
This is an outdoor activity designed to demonstrate evolution of feeding behavior in flocking, schooling or herding animals that maximizes allocation of food resources and enhances survival.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-699.jpg?itok=uxJY8ipd)
Bobbing Eyeballs
Source Institutions
In this activity, learners use simple materials and basic tools to construct a special toy to explore pendulums. As the head of the toy bobs one way, the eyeballs bob the other way.
Float or Sink?
Source Institutions
In this water activity, learners test which objects float and which sink. Learners discover that objects behave differently in water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-460.jpg?itok=TIUyWvZh)
LEGO Orrery
Source Institutions
Use this model to demonstrate the goal of NASA's Kepler Mission: to find extrasolar planets through the transit method.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-798.gif?itok=v5WNB9cU)
Shake Table
Source Institutions
This activity guide includes instructions on how to build a "Shake Table" by mounting an eccentric mass (off center) on the shaft of a small dc motor.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-448.jpg?itok=VzQ7G3lL)
Strike 'em Down & Add 'em Up!
Source Institutions
In this activity, reuse two-liter bottles to create bowling pins. Learners practice math skills and develop a concept of verifying answers, while bowling and keeping score.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-883.png?itok=-9aahLXL)
How Do We Convert Electrical Energy into Mechanical Energy?
Source Institutions
In this activity, learners make an electromagnet motor to demonstrate the most basic method of changing electrical energy into mechanical energy.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-940.jpg?itok=oJtz0wJN)
Good Vibrations
Source Institutions
In this activity, learners experiment with their voices and noisemakers to understand the connections between vibrations and the sounds created by those vibrations.