What do Isaac Newton, Alexander Graham Bell, and Albert Einstein all have in common? They were pioneering scientists who helped shape our understanding of light and sound. This light and sound unit 4th grade resource has reading passages, hands-on investigations, and interactive activities. Students explore essential concepts such as What is light, light energy, and light and sound waves, while using vibrant light and sound posters, forms of energy worksheets, and eye and ear diagrams. Wha