Explore the interactions between various combinations of two atoms. Turn on the force arrows to see either the total force acting on the atoms or the individual attractive and repulsive forces. Try the "Adjustable Attraction" atom to see how changing the parameters affects the interaction.

Explore the interactions between various combinations of two atoms. Turn on the force arrows to see either the total force acting on the atoms or the individual attractive and repulsive forces. Try the "Adjustable Attraction" atom to see how changing the parameters affects the interaction.

Experiment with a helium balloon, a hot air balloon, or a rigid sphere filled with different gases. Discover what makes some balloons float and others sink.

CK-12 Physical Science Concepts covers the study of physical science for middle school students. The 5 chapters provide an introduction to physical science, matter, states of matter, chemical interactions and bonds, chemical reactions, motion and forces, and the types and characteristics of energy.

After exploring the “Case of the Disappearing Log,” students will probably never look at a log the same way again. In this activity, students assume the roles of detectives faced with a nature mystery. First, they explore a decomposing log and look for evidence of how the log is changing. They make possible explanations for what might be causing log to disappear. Students then learn about common “suspects”—organisms that decompose wood—and the signature evidence they each leave behind. Students use a Disappearing Log Key to identify which organisms might have left behind which evidence, and use this information to make explanations about what has happened to the log since it was a tree. Finally, students learn that the log isn’t really disappearing, it’s turning into the invisible gases that are part of the cycling of matter in all ecosystems.

This investigation will have students testing how heating and cooling can change the state of matter. They will test a variety of materials determine whether a change takes place through heating/cooling.

A work in progress, CK-12 Chemistry Teacher's Edition supports its Chemistry book covering: Matter; Atomic Structure; The Elements; Stoichiometry; Chemical Kinetics; Physical States of Matter; Thermodynamics; Nuclear and Organic Chemistry.

This article lists common misconceptions about states and changes of matter and the water cycle. It provides formative assessment probes and information about teaching for conceptual change.

This article aligns the concepts of Essential Principle 2 of the Climate Sciences to the K-5 content standards of the National Science Education Standards. The author also identifies common misconceptions about heat and the greenhouse gases effect and offers resources for assessing students' understanding of interactions among components of the Earth system. This article continues the examination of the climate sciences and climate literacy on which the online magazine Beyond Weather and the Water Cycle is structured.

A lesson on states of matter using marbles for molecules expands into 3 more lessons elaborating on properties of a gas.

Young students love to investigate, experiment and discover. This four-week unit gives second graders opportunities for all three as they learn about liquids, solids and gases through games and challenges with their classmates. They will participate in a Matter Scavenger Hunt, discover that solids remain solids even if they break apart, challenge teams in an Amazing Liquids Race, and investigate popping balloons.

As students join in the fun and games, they will develop critical thinking skills, learn to observe and take notes, document results, and make conclusions based on their findings. This unit is designed to make the current science curriculum more engaging and exciting for my primary-level students and encourage them to explore matter and the transformation of matter through experimentation and discovery.

Pump gas molecules to a box and see what happens as you change the volume, add or remove heat, change gravity, and more. Measure the temperature and pressure, and discover how the properties of the gas vary in relation to each other.

This course deals with inorganic and physical chemistry. The study of the structure of atoms, the periodic nature of the elements, and the examination of the relationship of energy and the elements to form compounds and the three physical states of matter will be investigated.

Students will experiment with different areas of the garden that absorb heat from the sun the best.

STUDENT ACTIVITY -- 5th -- NCThis is a distance-learning lesson students can complete at home.Students will explore the outdoors for natural examples of heat transfer through conduction, convection, and radiation.This activity was created by Out Teach (out-teach.org), a nonprofit providing outdoor experiential learning to transform Science education for students in under-served communities.

This video is the second lesson in the How Cold Is Cold? BLOSSOMS series and examines the properties of materials under low temperature conditions. The video consists of a series of fascinating demonstrations with liquid nitrogen, which boils at 77K (-196 C -321 F). These demonstrations include the following: What goes up, may not come down; Is that supposed to be cold? - thermal insulation; Some properties of liquid nitrogen; Making ice cream - the slow way and the fast way; Try not to explode: expansion of liquid nitrogen and the ideal gas law; Making the air cold: phase changes and the affect on volume; No frozen fingers: the changes in mechanical properties; Resistivity at 77K; The magic magnet: the Meissner Effect; Cautions in using liquid nitrogen

This activity is a classroom lab in which students investigate and observe three types of balloons to help identify the states of matter and their properties.

¡Aprende sobre las propiedades del sólido, líquido y gas bailando junta al famoso grupo de música Los Hermanos Gregory!

Para ayudar a entender cómo el agua cambia los estados de la materia, el científico Sam trae al grupo musical Los Hermanos Gregory para ayudar a enseñar sobre los estados de la materia a través de una danza interactiva. El espectador baila como un sólido, líquido y gas y aprende que el agua puede cambiar los estados de la materia cuando las temperaturas son inferiores a 0 grados centígrados o superiores a 100 grados centígrados.

Objetivo de Aprendizaje:
Clasificar la materia por sus propiedades físicas, incluida la forma, la masa relativa, la temperatura relativa, la textura, la flexibilidad y si el material es sólido o líquido.

This activity is an inquiry lesson where students investigate solids, liquids, and gases through a variety of hands on experiments tied into writing and illustration of observable results.

Monitor the temperature of a melting ice cube and use temperature probes to electronically plot the data on graphs. Investigate what temperature the ice is as it melts in addition to monitoring the temperature of liquid the ice is submerged in.