Idea Sheets
Idea Sheets are hands-on experience guides linked to core curriculum topics.
Every Idea Sheet is cross-referenced to one or more of the curriculum subjects listed in the Content Standards. Use this Idea Sheets Search Tool to rapidly pinpoint activities that are perfectly suited to the grade level, subject area, and content standard you want to cover.
Idea Sheets are based on readily-available, low-cost materials such as cardboard tubes, bottle caps, old CD's, etc.
You can also Search Idea Sheets by Standards.
For more information about RAFT resources matched to Girl Scout badges and Boy Scout activities in STEM see www.raft.net/scouts
Brazil Nut Effect
Whenever a can of mixed nuts is opened, the brazil nuts tend to be on the top. This phenomenon seems counterintuitive, because the brazil nuts are more massive than the peanuts, cashews and other nuts in the can. How can this be?
Subjects: Physical Science
Breadboard Circuits
Provide students with opportunities to create a basic circuit, build a portable version, and explore parallel and series circuits!
Subjects: Physical Science
Break the Code
In this logic game, a player uses clues to help them break a hidden code in as few guesses as possible.
Subjects: Math
Breaking Through Barriers
Explore polarized light using polarizing filter material. The displays of many common electronic devices are covered with a polarizing filter to cut glare.
Subjects: Physical Science, Life Science
Breaking it Down
Students explore how organic materials break down and decompose in this lab experiment that investigates materials, environmental factors, and variables.
Subjects: Life Science
Breathe In Breathe Out
Each day in your life you breathe in and out approximately 20,000 times, usually without thinking about it. Here is a chance to discover how breathing works.
Subjects: Life Science
Brewing Coffee Mixtures
Use Algebra to figure out the price to charge for a one pound bag of mixed coffee beans.
Subjects: Math
Bridging the Gap
How strong can a bridge be made using a limited set of materials?
Subjects: Physical Science
Bring On the Heat
Thermally sensitive paper can be used to create some stunning artistic effects. This activity is a fantastic exploration of a thermally sensitive chemical reaction.
Subjects: Physical Science
Bubble Lenses
Use a water filled cylinder and a bubble to create convex and concave surfaces. Make light rays move closer together (converge)or move apart (diverge).
Subjects: Physical Science
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Keywords Search
We updated the search options!
Now you can search for idea sheets using keywords in combination with all of the other search options.