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Viewing Sunspots
View sunspots through a telescope or 'pinhole' camera.

Difficulty: Middle school

What is parallax and how can it be used to measure the distanc of objects?
Parallax is not only used by astronomers to determine the distance of many stars, and other heavenly objects, but is also one of the ways humans use to determine the distance of nearby objects. This activity is designed to give students a better understanding of what parallax is, and to gain some experience in using it. We would already have talked about parallax in class, and seen some simple exa

Difficulty: High school

What makes stars twinkle?
Have you ever wondered what makes a star twinkle? On the next clear night look at a bright star. How many blinks does it make in 10 seconds? Look at the moon, an airplane or a bright planet at night. Do these objects twinkle?

Difficulty: Elementary school

What sort of fabric would best keep an astronaut warm?
My hypothesis is that spacesuit prototype #3 will be the prototype that will conserve more heat than prototypes #1 and #2. Prototype #3 has 6 layers. It has foam, fleece, and camouflage for warmth. #2 has 5 layers. It has foam and camouflage for warmth. #1 has 7 layers. It has fleece, Aluminized Mylar, and camouflage for warmth.

Difficulty: Elementary school

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Science kits, science lessons, science toys, maths toys, hobby kits, science games and books - these are some of many products that can help give your kid an edge in their science fair projects, and develop a tremendous interest in the study of science. When shopping for a science kit or other supplies, make sure that you carefully review the features and quality of the products. Compare prices by going to several online stores. Read product reviews online or refer to magazines.