Fourth Grade
Worksheets
Caffeine
WHAT IS CAFFEINE?
Caffeine is a substance found in coffee, tea, and soft drinks. It is also found in chocolate and some medicines. It tastes very bitter in its natural form.
HOW DOES IT AFFECT THE BODY?
It has many effects on the body. It stimulates the nervous system. It can give you a boost of energy. The energy is only temporary, though. Many people think caffeine makes them more alert.
Caffeine is absorbed into the body. It moves quickly to the brain. There it excites the brain and nervous system. It speeds up the heart rate. It increases blood pressure.
