Young mathematicians learn how scientific notation is meant to save time. Part 10, out of a series of 15, asks scholars to recognize the correct use of scientific notation and finish by adding and subtracting numbers using...

Students explore the effects of velocity on an object when it collides with another object. They design and outfit a potato astronaut in a spacesuit to withstand the hazards of high velocity impacts from space debris and meteoroids.

Students explore the drawings of Rube Goldberg to design and construct a simple machine. They discuss simple machines, and using various materials and toy parts, design and construct a "Rube Goldberg" style machine to ring a bell.

Students study photosynthesis and chemosynthesis.  In this chemosynthetic instructional activity students explain the processes of these and define terms.