How Fast Is that Rocket?

Find here a complete lesson dealing with the equations and graphs of proportional relationships, as well as what each individual point on such a graph represents. It may appeal to girls in particular, as the data details the growth rates...

Revisit the 2012 Summer Olympics by having seventh graders calculate the unit rate sprinting speed of the 100-meter gold medal winner. 

How long is 30 seconds? Scholars compete to determine who can most accurately predict how long 30 seconds lasts and then compare accuracy among groups. They collect and sort data, determine the central tendencies, and divide the data...

How can you launch an object that isn't propelled by air? The resource provides directions to build a launcher to launch rockets made of two-liter bottles. The launcher, built mainly from materials found at the local hardware store, uses...

Enough talk about the Greenhouse Effect—let's actually look at it! Junior climatologists engage in a simple thermodynamics experiment on a cold winter's day to examine global warming. The activity simulates rising carbon dioxide levels...

How do rockets fly? Teams design, build, and launch a rocket made from a two-liter bottle to explore forces on a rocket such as Newton's Laws of Motion.  During the design phase, young engineers draw a diagram of their rocket and include...

Tune in for savings! Scholars investigate pricing schemes for two different online music download sites. After comparing the two, they determine the numbers of songs for which each site would be cheaper.

Aspiring astronomers study stars. They compare stars and explain the relationship between radius, mass, and diameter. By creating a star simulation, they discover how a binary star system's orbit can cause changes in the observed...

A flood of information about tsunamis can be learned by viewing this feature. How do they get started? How fast do they travel? How high can they rise? The answers to these questions, plus a little bit of history, are given for your...

It's amazing how easy it is to forget that every second of our lives we are being pushed on by an uncountable number air molecules. Explore with your class the concept of air pressure and how it affects our bodies, the earth's weather,...