Did You Know?

Some sensors can feel things far away!

Light Sensors

Light sensors can tell if it is dark.

Heat Sensors

Heat sensors can feel if it is hot.

What sensors Do

Sensors help machines work right.

They can keep us safe.

They help us see in the dark.

They can tell if it is cold.

They help cars drive safe.

They can help us find lost things.

More About sensors

Sensors have been around for a long time. They help us in many ways. They can be small or big. Some are in our homes.

We use sensors every day. They help us turn on lights. They can make our toys work. They keep us safe at night.

In the future, sensors will be even better. They will help us do more things. They might even help us fly!

How Topics Connect

graph TD A["Sensor Definition"] --> B["Device that Receives Signal"] B --> C["Responds to Stimulus"] C --> D["Stimulus: Quantity, Property, Condition"] D --> E["Converted into Electrical Signal"]

What Do These Words Mean?

sensor:a device that detects and reacts to signals
stimulus:something that causes a reaction or response
quantity:an amount or measurement of something
property:a characteristic or feature of something
electrical signal:a signal that carries information using electricity