Here's a great way to prepare for the AP exam format. A PDF file supplies the four free-response questions from the 2017 AP Computer Science A exam. Questions involve identifying and processing the digits of a non-negative integer and...

Make a splash with young scientists as you teach them all about water using this activity packet. Thirstin, a cartoon glass of water, walks children through the water treatment process, teaches them about different sources of water, and...

Dive into an exploration of the water cycle cycle with this simple earth science lesson. After first discussing where rain comes from, young scientists define the terms condensation, evaporation, transpiration,...

Color me green. The fourth lesson in a unit of 15 introduces the class to color images and how to encode color images using binary code and hexadecimal numbers — and they will quickly notice that it is easier to code the...

Create a simulation of acid rain in your classroom with lemon juice and bean plants to help kids study the effects of pollution on plants. In addition, learners will listen to a story and write responses based on guiding questions.

Do you want to hear a joke about nitrogen and oxygen? NO. We all know there is oxygen in the air and that plants produce oxygen, but how was it discovered? Scholars read a handout, answer questions, and analyze material in the...

Biology learners read about selective breeding in chickens and how it has produced high-yield meat specimens and rapid egg-layers. The unpleasant effects of artificial selection are explored, as well as options to supporting this...

Reading informational text is a skill that transcends subjects and grade levels. Practice reading about different topics in various formats with a language arts lesson that includes opportunities for writing and research as well.

This video segment adapted from Shedding Light on Science illustrates how light changes speed, and thus direction, in a process known as refraction. Includes background reading and discussion questions. [2:05]