Produkt mají v nabídce:
Janice VanCleave's 201 Awesome, Magical, Bizarre, & Incredible Experiments - VanCleave, Janice
How do honeybees find their way home? Why is Venus so hot? How can you measure the speed of the wind? What makes a sound loud or soft? Discover the awesome answers to these and other fascinating mysteries in biology, chemistry, physics, earth science, and astronomy. Just try these 201 fun, safe, low-cost experiments at home or in the classroom.
