Showing Results for simple compound and complex sentences 3 : Page 19

This experiment will explore whether adding different substances to a gel affects its strength.

What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.

Make this easy composting dessert and then enjoy the yummy results!

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

This science fair project idea determines the most effective method of preserving food.

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

Explore whether pianists have the tendency to type faster than non-pianists.

This experiment investigates the relationship between the temperature of a candle and its burn rate.

Play Rock Tic-Tac-Toe, the perfect outdoor game for all ages. Help your child develop thinking skills and get away from the TV!

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!