Grade 1 Science: Light and Sound

Free Grade 1 Science unit on Light and Sound: 9 lessons in order, starting with What is light. Includes practice questions and answer keys.

9 lessons in this unit

Learn that light lets us see and that we cannot see without it. Learn that we never look directly at the Sun.

Learn that natural light comes from the Sun, stars, fire and some living things such as fireflies. Learn why we never look at the Sun.

Learn that artificial light sources are made by people, such as lamps and torches, and how to use them safely.

Learn that darkness is the absence of light, how day and night differ and how to stay safe in the dark.

Learn that a shadow forms when an object blocks light, and that shadows change size and direction.

Learn that sound is what we hear, that it is made when things vibrate and that we hear it with our ears.

Learn to name things that make sound: people, animals, instruments, machines and nature.

Learn that sounds can be loud or soft, that volume depends on how hard something vibrates and distance, and why very loud sounds are not safe.

Learn how our ears work in a simple way and how to protect them from damage.