For each item on this first grade science worksheet, kids match a piece of clothing with the thermometer showing a temperature for wearing the item of clothing.

Discover some of the fascinating properties of gravity by studying one of Newton's famous laws, the Law of Gravitation.

What is the difference between condensation and evaporation? Learn about natural cooling and heating processes that are caused by changing states of matter!

Energy is a crucial part of physical science! All things on Earth have energy, whether it's potential or kinetic.

Without light sources, we wouldn't have any light. Can you imagine a world without any light sources?