Water is the only molecule on Earth that can naturally exist in all three states of matter. The interactive simulation shows different molecules changing states of matter with the addition or removal of heat. Learners then see how...

Need a solid resource for teaching about states of matter? Science scholars go with the flow in a simple interactive that shows how intermolecular attractions determine a substance's phase. Pupils take control of the level of attraction...

Time to show what they know! Module five in a 14-part series about solids, liquids, and gases redirects to an interactive quiz. Learners test their skills on topics such as states of matter, phase changes, and Brownian Motion. With...

What makes up the air we breathe? Young scientists explore the atoms and molecules in the air. An interactive lesson allows individuals to watch the movement of the particles in the air and change the makeup from a mixture to a...

What's smaller than a kiwi seed? Atoms! Basic atomic structure is detailed for beginning chemists in a light-hearted animation. Protons and neutrons are explained as part of the nucleus, and so are electrons that encircle the nucleus....

Do charged and neutral particles behave differently as they undergo phase changes? Science sleuths examine two types of attractive forces using an informative interactive. Pupils can vary the amount of Van der Waals attraction present...

How is a molecule's shape determined? Explore bond angles, lone pairs, and VSEPR theory through a logic-based activity. Chemists pull together information about the major molecular shapes, then use it to solve puzzles.

In this states of matter worksheet, students complete an 8 question multiple choice online interactive quiz about matter and atoms. The quiz can also be printed out and completed on paper.

Why are solids, well ... solid? Take a peek inside a solid substance with an easy-to-use interactive. Science sleuths examine the motion and position of the atoms that make up a solid before drawing conclusions from their observations.

Welcome to the fast-paced life of a gas atom! Learners gaze at gaseous atoms up close using a colorful interactive. They can highlight two atoms and observe their movements within their container or follow the dizzying path of one atom...

Pour on the knowledge with an engaging states of matter interactive! Young physical scientists view the atoms within a liquid to explain what gives a liquid its unique properties. The resource allows users to highlight and observe two...

In this atoms and matter quiz worksheet, students complete an on-line quiz, clicking on questions and matching answers, scoring 1 point for each correct answer. A printed version is available.

No need to tread lightly on this piece of tire rubber! Polymer science pupils observe the behavior of rubber with an interesting interactive. Users apply three different levels of force to a sample, then watch how they affect the polymer...

Explore the excited states of atoms through an interactive lesson. Scholars adjust the initial speed of atoms and observe the kinetic energy of the system as the atoms interact. As they change the initial speed and location of the...

In this interactive Internet  assignment, physical science investigators answer 11 questions about the atom, the subatomic particles, and atomic structure. They can click on "Reveal Answer" to discover if they are correct. They also...

In this online interactive history activity, students respond to 9 short answer and essay questions about the achievements of Niels Bohr. Students may check some of their answers on the interactive activity.

In this balancing equations learning exercise, high schoolers use an on line site to practice balancing equations at the beginner level, the intermediate level and the advanced level. They balance four equations for the combustion of...

For this balancing equations worksheet, students use an on line source to answer questions about balanced equations and they write balanced equations for various types of reactions. They balance equations using an on line game that...

For this polymer worksheet, students use an on line site to complete sentences about plastics, their chemical make-up, their uses, their history and information about recycling plastics.

In this interactive prepositions worksheet, students practice using prepositions in sentences. Students choose the correct preposition for each blank in the passage. There are fifteen in all.

Review matter and atoms in this Jeopardy-style game.

In this interactive activity from ChemThink, students will examine the basic properties of matter at an atomic level and consider how various atoms affect the way a substance behaves.

In this interactive activity from ChemThink, students will take a closer look at atomic structure, properties, and behaviors. Includes background reading material and discussion questions.

Matter is all around us, so it's a good idea to know what it is, and why it matters. Learn about matter, its categories, and its subcategories with this interactive lesson.