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In the Know
Why Do We Have a National Trails Day?
National Trails Day celebrates trails in the United States and encourages people to take a hike! National Parks are great places to hike. More than 140 years ago, the United States created the world’s first … Read more
In the Know
How Do People Use Lasers?
A laser is a thin, powerful beam of light. Lasers use mirrors to focus light energy. People use lasers every day. You may even have a laser at home. A DVD player uses a laser to read the information on … Read more
In the Know
What Are Reliable Sources?
As school starts, you may be asked to research topics. When you research a topic, you examine it closely. You can read books about a topic. You can find newspaper articles about a topic. You … Read more