New ReviewHow do liquids behave in space? Learners explore how liquids interact with each other by completing an experiment as part of the Christa's Lost Lessons playlist. They compare their results with the findings of an experiment completed in...

New ReviewHow are chemical reactions affected by gravity? Learners explore the phenomenon of effervescence as part of the Christa's Lost Lessons series. They compare findings in an experiment on effervescence to a video of a similar experiment in...

New ReviewHow do Earth's changes affect humans? Pupils learn about physical and chemical changes on Earth and how they lead to phenomena such as erosion, earthquakes, and volcanoes. Using the text, they also explore the concepts of electricity and...

Is it easy to make snow? Scholars use critical thinking skills as they investigate the concept of polymers by making snow. The class tests several different variables and takes measurements over the course of several days. They then...

Do you separate your trail mix before eating it? Then you've been separating mixtures your whole life! Scholars model a contaminated soil sample using trail mix and estimate the percentage of each component. They consider how to clean up...

Now it becomes crystal clear why the unit is called Mixtures and Solutions. The fifth installment of a six-part unit explores mixtures and solutions. After viewing a demonstration on mixing pebbles with water, salt with water, and...

Thinking back to the last time you taught a lesson on chemical changes ... was there no reaction? Check out an explosive video to put some spark back in your instruction! The narrator of the video guides you through the expectations, as...

Learn about germs without getting sick! An interactive resource prompts learners to identify the dirtiest surfaces on a city street. Class members then participate in a demonstration about washing dirty hands and how using soap can kill...

Reinforce concepts and encourage learner engagement with a collection of math games, science experiments, and cross curricular activities. In one fun resource, learners sort objects, keep a diary of everyday fractions, play a game using...

Once I told a chemistry joke, but there was no reaction. A STEM lesson plan using the inquiry method covers the topics of acids and bases. Young chemists find the pH of substances; measure and classify substances; design a question and...

Are "polar" bears soluble in water? This inquiry-based STEM lesson plan allows students the opportunity to formulate a testable question on solubility, create a procedure to investigate the question, collect data, and draw conclusions.

Your enthusiastic chemists will flip over this entertaining video about matter and its chemical changes! Take an in-depth look into what chemical changes are and the evidence that is observed, such as color, smell, and heat. Then,...

What do iced tea and fruit salad have in common, besides the fact that they're both delicious? Learn about the different types of mixtures with an entertaining physical science video. Examples from a picnic table reinforces what young...

Who knew that learning about the states of matter could taste so sweet? This fun hands-on lesson captures the attention of young scholars as they use what they know about solids, liquids, and gases to create their very own batch of ice...

Determining whether or not something is living can be more difficult than it seems. Put your young scientists to work defining their own criteria to identify life, then work with three samples to see if they are alive or not. 

Mix things up in your physical science class by introducing mixtures. The three types are defined: suspension, colloid, and solution. It all depends on the size and type of the involved particles. With attractive animation and an...

Are you having trouble deciphering the Next Generation Science Standards on the website, or just trying to find the standards for your grade in a quick-and-easy format? If so, here is a free and easy-to-navigate app made with you in mind.

Compound class members' knowledge of elements and compounds with this delightful video clip! As the animated characters work on baking a birthday cake, they reveal that elements are simple substances that can be combined to form...