Inquiry is the bedrock of science and refers to the activities of students in which they develop knowledge and understanding of scientific ideas, as well as an understanding of how the natural world works.
Just for practice, try the inquiry activity linked below.
Inquiry Activity - Who Sank the Boat?
Ever wonder what causes the different phases of the Moon? Check out the link below to find out. You may also discover a lot more about the Moon.
There is a popular misconception that the seasons on the Earth are caused by varying distances of the Earth from the Sun on its elliptical orbit. Learn why this is a misconception and what really causes the seasons. Click the link below.
Have you ever heard the story about this really old guy who had an apple hall on his head and as a result discovered gravity? Well, that old guy was Sir Isaac Newton and the apple really didn't fall on his head. In addition to gravity he discovered/explained many other things as well like his three laws of motion, for example. Sir Isaac Newton's famous three laws of motion are explained and their application to the analysis of objects in motion is discussed in the following link.
Newton's Laws of Motion
Aristotle thought heavier objects would fall faster than lighter objects. Common sense told us Aristotle was correct until Galileo Galilei proved him wrong. Check out the animation found on the web page linked below. Spend a couple minutes and read the paragraph as well.