Do It Yourself Science Tm EXPERIMENTS with PHYSICAL SCIENCE Zella Williams PowerKiDS press New York
What Is Physical Science Physical science is the study of energy nonliving matter and the workings of the natural world From light sound and electricity to magnetism and gravity physical science tells you how everything around you works Have you wondered why the sky is blue Have you wondered what makes a ball fall to the ground when you drop it Scientists do experiments to find out the answers to their questions You can do some physical science experiments too Lightning is electricity Lightning strikes somewhere on Earth about 100 times every second 4
