Science: Heat, Light, and Sound Energy
Exploring three forms of energy in everyday life
Science: Heat, Light, and Sound Energy
Exploring three forms of energy in everyday life
Science - Grade 2-3
- 1
Look around your classroom or home. Name one object that gives off light energy.
Think about something that helps you see in a dark room.
A lamp gives off light energy when it is turned on. Other correct answers may include the Sun, a flashlight, or a candle. - 2
Name one object that gives off sound energy.
A bell gives off sound energy when it rings. Other correct answers may include a drum, a speaker, a whistle, or a person talking. - 3
Name one object that gives off heat energy.
Think about something that can make your hands feel warm.
A stove gives off heat energy when it is on. Other correct answers may include the Sun, a toaster, a heater, or a campfire. - 4
A flashlight is turned on in a dark room. What type of energy is the flashlight giving off?
The flashlight is giving off light energy. It may also give off a little heat if it stays on for a long time. - 5
A student taps a drum with a stick. What type of energy does the drum make that people can hear?
Sound energy is energy you can hear.
The drum makes sound energy. The sound travels through the air to our ears. - 6
A mug of hot cocoa is warm in your hands. What kind of energy is moving from the mug to your hands?
Heat energy is moving from the warm mug to your cooler hands. This makes your hands feel warmer. - 7
Sort these items into heat, light, or sound energy: ringing phone, lit candle, warm blanket in the dryer.
Some objects can give off more than one type of energy.
A ringing phone gives off sound energy. A lit candle gives off light energy and also some heat energy. A warm blanket in the dryer has heat energy. - 8
The Sun helps plants grow and warms Earth. What two types of energy from the Sun are described?
The Sun gives light energy that helps plants grow and heat energy that warms Earth. - 9
A fire alarm makes a loud noise and has a flashing light. What two types of energy does it give off?
Think about what your ears notice and what your eyes notice.
A fire alarm gives off sound energy from the loud noise and light energy from the flashing light. - 10
Why should you not touch a hot pan on the stove?
You should not touch a hot pan because heat energy can move from the pan to your skin and burn you. - 11
A student puts a hand near, but not on, a lamp that has been on for a long time. The hand feels warm. What energy is the student feeling?
Energy that makes things warmer is heat energy.
The student is feeling heat energy from the lamp. Some lamps give off both light energy and heat energy. - 12
Circle all the things that use sound energy: a whistle, a book, a radio, a pencil.
A whistle and a radio use sound energy. A book and a pencil do not usually make sound unless someone moves or uses them in a noisy way. - 13
A student closes the curtains, and the room becomes darker. What type of energy did the curtains block?
Light energy helps us see.
The curtains blocked light energy from entering the room. With less light, the room became darker. - 14
Put these events in order from quietest to loudest: whisper, clap, siren.
Think about which sound you could hear from far away.
The order from quietest to loudest is whisper, clap, siren. A whisper makes a soft sound, a clap is louder, and a siren is very loud. - 15
Explain how one object in your home can give off more than one kind of energy.
A television can give off light energy from the screen and sound energy from the speakers. Other correct answers may include a lamp that gives off light and heat or a stove that gives off heat and light.