Curated OER
Who Wants to be a Millionaire? Changing State
A teacher with talent has created a fun set of review questions on the changing states of matter. Cycle through 15 questions, multiple choice answers, and a monetary reward for guessing correctly. Use this game show PowerPoint to help...
Curated OER
What on Earth is Matter?
A somewhat strangely formatted slide show that contains multiple examples of matter types. The classification and state explanations given would be useful as practice of substance identification and the heating curve may prove to be...
Curated OER
Change of State
In this change of state 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.
Scientific American
Scientific American: What Is an Exothermic Reaction
Scientific American magazine, in the person of Dr. Gerald R. Van Hecke, gives a wonderfully complete answer to this question. Complete with very many hot words for additional background. And a wonderful NASA launch photo.
Florida State University
Florida State University: Intermolecular Forces: Changes of State
Discusses the changes of state that can occur for the three different types of matter (solids, liquids, and gases) and different types of heat energy that have been defined by scientists.
![Mc Rel International: Timss 2007 Released Items: Science Fourth Grade [Pdf] Unknown Type](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Mc Rel International: Timss 2007 Released Items: Science Fourth Grade [Pdf] Unknown Type")
McREL International
Mc Rel International: Timss 2007 Released Items: Science Fourth Grade [Pdf]
A released question from the Trends in International Mathematics and Science Study (TIMSS) assessment about change of states of matter. Also included is a scoring guide for the released question.
Michael Blaber, PhD
Florida Sate University: Changes of State: Heating Curve for Water
Discusses the phase changes and heating processes of water and how this can be illustrated with a heating curve.
E-learning for Kids
E Learning for Kids: Science: Loch Ness: What Happens When Solids and Liquids Are Heated or Cooled?
Students will look at what happens to different types of matter when they have a change of state.
Other
King County Court House: Heating & Cooling Curves [Pdf]
This page is a lab that will teach you about heating and cooling curves.
Frostburg State University
Frostburg State Chemistry Online: Water Bond Angles & Phase Changes
Describes the bond angle of the water molecule during the transition from liquid to gas state. Also provides several examples and explanations for responses and answers given.
Other
Water on the Web: Studying Heat Budgets of Lakes
Interesting activity that discusses many aspects of the energy in a lake, including the evaporation of the water into gas.
Chem Tutor
Chemtutor: Heating Curve Problems
Nice set of problems dealing with the concept of a heating curve. Students can click on the question and get immediate feedback on their answer.
Chem Tutor
Chemtutor: Walking Up the Phase Change Graph
Good exercise graphing a phase change graph from solid to liquid to graph. Includes temperatures and all energy changes for water through this process.
Science Education Resource Center at Carleton College
Serc: Mn Step: Will the Cup of Water Overflow When the Ice Melts?
Students predict and observe what happens when the ice cubes in a cup of water melt and displace water.
Science for Kids
Science Kids: Science Quizzes: States of Matter Quiz
A ten-question quiz to check knowledge about states of matter.
NC State University
The Engineering Place: Silly Stuff
An investigation into change of state where students make silly putty.
Quia
Quia: Phases of Matter
Four activities for reviewing vocabulary and definitions related to changes in states of matter.
NC State University
The Engineering Place: Ice Cream in a Bag
An investigation into change of state where students prepare small bags of ingredients and shake them within a bag of ice and salt to see if they can make ice-cream. As they progress, they apply the scientific method.