A big hill makes sledding more fun. Gravity pulls you down the hill. You go faster!
Photo Credit: Imgorhand/E+/Getty Images
In the Know
Maria Telkes – Scientist known as the Sun Queen
Maria Telkes invented things that use solar energy. One thing … read more
In the Know
What Are Reports?
Research means to look closely at a subject. You can … read more
In the Know
World Teachers’ Day
World Teachers’ Day is in October. Teachers are very important! … read more