When we choose a material, we need to select the right one for the object it will finally become. For example, wood is strong and durable but easy to cut into different shapes with the right tools ...

Students will be able to explain that the parts of an object can be rearranged to create a new object. Students will also get a sense of the number of different objects that can be created from a ...

Astronomers have discovered two objects that at first looked like a well-known stage in star formation, but also have features that don’t fit that at all. Their forthcoming paper announcing the ...

Objects and materials have different characteristics or properties. The properties of materials include features such as color, size, and shape; whether theyare rough or smooth, shiny or dull, hard or ...