What features do scientists use to classify animals into groups? Class groups examine a series of paired images of vertebrates (a bass and a trout, a toad and a newt, a crocodile and a tortoise, an owl and a robin, a tiger and a bear)...

Of all invertebrates, insects by far are the most numerous. Scholars discuss invertebrates and then use a key to classify them. They see different examples and must describe features of each organism based upon the key. 

Pine needles are actually modified leaves. In the 16th installment of 20, young scientists explore plants. Through an analysis of leaves — shape, veins, and edges — pupils see how to classify plants based on structural features.

How diverse is the rainforest? How much more diverse is a rain forest than a temperate forest? Explore these focus questions in a lesson that explores the plants, animals, and insects in forests. After listening to a reading...

At first glance, grassland ecosystems might seem dull and uninteresting, but once you start to explore it's amazing the things you'll find! Through this series of engaging lessons, activities, and experiments, elementary students examine...

It's alive, but what is it? Protists share similarities with plants, animals, and fungi without being classified as any of those three. Learn more about protists and the kingdom fungi with a short presentation. It describes the parts of...

From large to small, show your class how to organize them all! Included within the guide is everything you need to take their knowledge of classification from the cellular to the species level. The worksheets focus on...

How can you tell if something is living or nonliving? Introduce a set of criteria which can be used to determine which things are alive and which are not. The class discusses the basic needs of all living organisms, checks out an...

Trying to plan an engaging elementary science unit on natural resources? Conserve your energy! This five-part series of lessons and hands-on activities has exactly what you need to teach young scholars about the importance of conservation.

If the Lorax were to write a letter, what would he write? Introduce your class to systems and feedback loops through the whimsical stylings of Dr. Seuss. Learners take on the Lorax's point of view to write a letter, among other activities.

What better way to learn about ecosystems than by getting outside and observing them first hand? Accompanying a field trip to a local park or outdoor space, this series of collaborative activities engages children in...

Irony, the discrepancy between what is expected and what occurs, is the focus of a reference sheet that provides young writers with models of this literary device.

Don't harbor any negative feelings toward negative numbers. Scholars learn about different classifications of rational numbers, including negative integers. They also develop definitions of the opposite and the absolute value of a...

Create a cross-curricular learning experience based on the children's book Joseph Had a Little Overcoat with this collection of learning activities. Starting with a class reading of the story, children go on to learn about the...