Did You Know?
Birds use signals to talk to each other!
How Signals Work
Signals can be sounds or lights. They change to send info. We hear sounds or see lights. This helps us know what is happening.
Why Signals Matter
Signals help us talk and play. They let us share fun things. Without signals, we could not chat. They make life more fun!
What signal Does
Signals help us hear music.
They let us see lights and colors.
Signals help us talk on the phone.
They show us time on clocks.
Signals help us find our way.
They help us learn new things.
More About signal
Signals have been used for a long time. People used smoke and drums to send messages. Now we use phones and lights.
Every day, we see and hear signals. They help us talk to friends and learn in school. Signals are very important in our lives.
In the future, signals will get better. We might use new ways to share info. It will be fun to see what comes next!
