Plants Help Keep a House Cool!

Young scientists explore nature's water treatment plants in this simple science demonstration. By placing a stalk of celery in a cup of water mixed with food coloring, children are able to observe how plants absorb nutrients and...

This cool lesson is ideal for elementary engineers or physical scientists, especially when learning about heat transfer and insulation. After reading a page of background information, engineering teams collaborate to design and build a...

Who knew plants can communicate? An interesting video shows how plants communicate with insects and other plants. The instructor gives many examples including mimicry, parasitism, and self-defense.

Do you want to grow your own plant? No worries, find out how to plant, feed, and tend to your flower in a video all about plant growth. You can even observe, measure, and draw your plant in a daily science notebook.

Ninety-nine percent of the water absorbed in plants transpires into the atmosphere. The second video in a three-part series explains transpiration in plants. It details how they pull water into the roots; how water passes through the...

Everyone knows that termites are bad news for the wooden parts of a home. How do they do it, and how can we stop them? Go inside a termite (literally) to discover the scores of bacteria and protists that help make wood taste good. The...

Plants suffer from both nutrient deficiency and nutrient toxicity when the soil isn't properly cared for. The fourth lesson in a five-part agriculture series has pupils investigate fertilizer and plant nutrition in organic farming. They...

Whether you have your class plant seeds or begin when sprouts are visible, math skills are used here to predict and track growth over time. Straw bar graphs show plant height on a given day while the graph as a whole shows changes over...

You might want to put down your coffee for this one. Discover the science behind this stimulant, its origins, side-effects, and benefits of the most widely used drug: caffeine.

Learners study the role of plants in recycling water by collecting water vapor that is emitted, or transpired, by green plant leaves. They collect and measure the water that transpires through the tiny pores of plant leaves. Afterwards,...