The Reason for Seasons
Earth & Environmental • Earth Science

The Reason for Seasons

Trees are shedding their leaves and the days are getting shorter (in the northern hemisphere), so it’s the perfect time for students explore the reason for the seasons. Students often have the misconception that the distance...

Concentrate on the Conductivity
Chemistry

Concentrate on the Conductivity

Students have a hard time concentrating when the topic is solution concentration. The solution may be having them create their own solutions.Using some solid solutes and glassware, have them make a solution with a specific...

A Watershed Moment
Earth & Environmental • Earth Science

A Watershed Moment

Watersheds are an important natural feature. Whether they realize it or not, most people live near a watershed. In this activity, students can build a model watershed and observe the impact of upstream pollution.A watershed...

Popsicle Phase Change
Chemistry • Physical Science

Popsicle Phase Change

Phase changes are an important part of chemistry and physical science curriculum — and Freeze Pops are an important part of everyone’s summer. What better way to take the edge off the summer heat than combining the two...

An Amped up Electricity Lab
Chemistry • Physical Science

An Amped up Electricity Lab

Looking for a fun way to to spark your students interest in electrochemistry while they continue to build their engineering skills? Let them engineer a battery to light up an LED! With some simple materials, they can wind...

Introduction to GPS-eometry
Biology • Earth & Environmental • Earth Science • Engineering

Introduction to GPS-eometry

With the advent of GPS, folded maps have become obsolete. With that advancement, unfortunately, students are less likely to understand the significance of latitude and longitude. But with geo-tagging becoming increasingly...

Titrations are pHun
Chemistry

Titrations are pHun

Properties of acids, bases and the pH scale are core concepts in any chemistry class. After your students understand the basics, it is important for them to be able to quantify reactions involving acids and bases with a titration.A...

Transpiration with a Potometer
Biology • Earth & Environmental • Earth Science

Transpiration with a Potometer

Transpiration is an important concept in both biology and environmental science, especially in terms of role it plays in the water cycle. As water evaporates from the stoma of leaves water is pulled up (due to hydrogen bonding)...