Some objects must be made of certain kinds of materials to make them work the way they should. Read about how the properties of different materials, such as their hardness or weight, help make an object fit the job it is made for.
Did you know that an object can only move if a force is placed on it? Read about pushing and pulling - the forces that make objects move - and what happens when you change the strength or direction of a force.
We can all make good choices to do our part to care for Earth. Read about the importance of reducing, reusing, and recycling, as well choosing items that can be used over and over.
The only way we can learn about dinosaurs is by studying their fossils. Read about how comparing fossils shows us how different dinosaurs moved, what foods they ate, and how they protected themselves.