Khan Academy
Khan Academy: Step 4 (2 D Spring Mass System)
This program simulates a particle connected to an anchor by a damped spring in two dimensions. Try changing the initial settings.
Other
Lincoln Public Schools: Applied Technology & Engineering: Mousetrap Car It's a Snap! [Pdf]
This is an engineering activity that requires students to build a mousetrap car based on certain constraints. Constraints include students having a virtual budget that they use to buy approved parts for their car, the car having...
CK-12 Foundation
Ck 12: Plix Series: Metric Units
[Free Registration/Login Required] Change the dimensions in this four-quadrant graph to explore metric scale. After the activity, answer a challenge question to check for understanding.
Independence Hall Association
U.s. History: New Dimensions in Everyday Life
A brief overview of the changes brought about because of the United States becoming more urban. Read about the attention to social reforms, the introduction of professional sports, and the ability to take part in leisure activities.
University of South Florida
Fcat: Two for One Box Company: Teacher Notes
At this site students use proportions to explore how volume is effected by dimension changes. This hands-on activity can be done individually or in pairs.
Texas Instruments
Texas Instruments: Math Today Wing Tabs Save Fuel
Using the USA TODAY Infograph, 'Wing tabs save fuel', ratios and proportions will be used to explore the concept of similarity between a drawing/model and the actual dimensions. The effects of dilation (size change) on an image and...