Third graders explore the capillary action of plants. They discover what makes paper "grow" when water is dropped on it. Pupils observe how paper reacts as it absorbs water. Students use a variety of saturate solutions to grow crystals,...

When it comes to the origin of the human species students are full of misconceptions. Clear up the hominid confusion with this evolutionary activity focused on assisting students in understanding prehistoric man and his family tree....

Students will find this powerpoint simple to follow and the facts about forest management are easy to extract.  There are details about small land owners, super trees, controlling insects and disease, fire control, selective...

Fifth graders must use a pencil to draw in the shadows they think will be formed by a house, a greenhouse, and a tree. The sun is behind each of these objects, and an open field is in front of them. That's where pupils draw their...

Plants can die if they don't get enough sunlight and water. Kindergartners observe a picture of a hanging plant and grass under a tree, and interpret which each plant has died. Next, they grow watercress seeds in wet cotton to compare...

Is everything really connected? Take your class on a walk outside, where they will make observations and write them down on a worksheet. Once they are back in the classroom, learners will work to determine if and how things like birds,...

Here is a really neat Earth Day reading passage that can be used online or printed. The initial passage provides learners with the opportunity to read a poem entitled, "Woodman, Spare That Tree!" It also includes comprehension questions...

Get those pencils ready because we are going to write a letter to our dear mother, Earth that is. Allow your youngsters to explore and express all the ways that they plan to protect Mother Earth. The worksheet is perfect for Earth Day,...

The desert tortoise is a protected species, and it's population in some areas, such as Joshua Tree State Park in California, has been rapidly declining over the years. Invite your young biologists to study the Desert Tortoise...

Join the tree house detectives in learning about the processes of the water cycle, water conservation, water treatment, and water as a limited resource.

What is a chemist's favorite plant? Stoichiome Tree! Scholars produce hydrogen gas by reacting magnesium with hydrochloric acid. Then they calculate the molar volume of the gas produced before answering assessment questions. 

In 1980, in the tropical rainforests of Panama, scientists discovered 1,200 species of beetles living in and around just 19 trees, with most of the species new to science—that's biodiversity! In the activity, learners work in teams to...

Green roofs aren't just eco-friendly — they are literally green with trees. Groups learn about the concept of green roofs in order to be able to design one. The groups design a 5,000-square-foot green roof for a fictional apartment row...

What did the windmill say about renewable energy? I'm a BIG fan! Lesson three in the series of 12 has classes discuss potential and kinetic energy and then, in pairs, they complete a web quest over the different types of energy...

Scientists state that the higher something is above the earth, the greater the gravitational potential energy. Does this mean there is more gravity acting on the moon than on an apple falling from a tree? Scholars adjust the distance...

Can human activity influence the colors of moths? The simulation explains how pollution changed the color of tree bark, which led to the survival of a different variation of moths. It also discusses the shift back as air quality improves.

Unleash the power of ... blackberries! Science superstars create solar cells using the juice of berries or leaves of a citrus tree in an engaging lab. In addition to offering a plethora of resources, the teacher's guide gives background...

What do aspirin and the willow tree have in common? Scholars of chemical synthesis engage in a fascinating reaction to make their own aspirin samples. The lab uses thin layer chromatography analysis, includes stoichiometric calculations,...

Can some plants make their own animal repellents? Science sleuths examine the properties of cinnamamide in pear trees using an case study about computational chemistry. The resource discusses how vital computers are to research, how...

Where does the mass for a growing tree come from? Scholars consider a few different hypotheses and guess which is correct. They then analyze data from different experiments to understand which concepts science supports.

When it comes to the environment, no variable is constant. Class members graph behavior over time for the thneeds produced over truffula trees chopped down over the course of Dr. Seuss's The Lorax. 

Based on DNA, fungi relate more closely to animals than to plants. This new scientific knowledge shifted the world view of scientists and opened up new classifications. Viewers learn about fungi's place in evolution, in the tree of life,...

Is progress progressing too fast? So believes the Lorax, the eponymous character from Dr. Seuss's The Lorax. Young environmental science students read the book and debate the arguments of the Lorax and the Once-ler regarding the...

A red delicious apple tree with a simple mutation means we now benefit from the existence of golden delicious apples. Learn how simple mutations change genetic information in DNA sequences. Using biographies, videos, and animations,...