Does yeast breathe? Find out by watching plastic bags filled with yeast, warm water and different amounts of sugar.
How easy is it to let it roll? Find out with two jar lids, some marbles, and a straw handle!
Can you hear better with your fingers in your ears? Find out with a coat hanger and some string!
Break the tension! Use water, pepper and some soap to discover the wonders of surface tension.
What seed is worth its salt? Discover how the salt in soil affects plant growth with a few seeds, some cotton and salt.
Save the egg! Protect your 'passenger' from Newton's First Law with an egg, a toy truck, a brick, cotton balls, rubber bands and a Styrofoam cup.