Curated OER
What Changes Occur When Water Freezes?
Students investigate the changes that occur at the molecular level when a liquid becomes a solid. They freeze water in baby jars and observe the changes that occur in the process.
Curated OER
It's OK to Reach Your Boiling Point!
Students view a video which introduces them to density and the states of matter. They experiment, collect data, and graph the boiling/freezing points of several edible items...and then make brownies!
Teach Engineering
Concentrate This! Sugar or Salt...
Heat up your lessons on boiling points. The resource provides a three-part activity: first, groups find the boiling point of solutions; second, they create boiling point curves for salt and sugar solutions; and third, they mix a solution...
Howard Hughes Medical Institute
Icefish Blood Adaptations: Antifreeze Proteins
Ever wonder how fish survive in freezing cold water—especially Antarctic waters? Some fish have an adaptation that lowers the freezing point of their life fluids. Learners model these adaptations in two lab explorations. The first...
Curated OER
Changing State
Students investigate the cooling and heating of water. In this online science experiment lesson, students work in groups to make predictions regarding freezing and boiling points and then test those predictions as they complete the...
Curated OER
The Frigid Gourmet
Students make a " science surprise" or ice cream in the lab. In this melting point depression lesson plan, students use various substances with ice to determine the effects on the melting point of ice and the ability to make ice cream....
Curated OER
Water and Ice
Learners observe and discuss the change of water to ice and back again. In this water and ice instructional activity, students observe the change in temperature and what happens when water freezes and turns to ice and vice versa.
Curated OER
Chemistry Worksheet-Phase Changes
For this phase change worksheet, students answer twenty questions about changes in energy to a system. They analyze phase diagrams, the determine the effects of changes in temperature on a system, they answer questions about miscibility,...
Curated OER
Chapter 16 Review- General Science
In this review of general science worksheet, students classify examples of matter as mixtures or substances, homogeneous or heterogeneous mixtures, or elements or compounds. Students also convert several examples using the standard...
Science Geek
Thermochemical Calculations
Viewers learn where the heat goes when phase changes take place with a presentation that explains the latent heat of phase changes, or, more specifically, the molar heat of fusion, solidification, vaporization, and condensation. The show...
Curated OER
Version 001 - Quiz 1
The phase diagram tops this chemistry quiz. Junior scientists answer eight multiple-choice questions as they analyze it and make calculations regarding the heat of vaporization.
Curated OER
Ice Cream Lab
This very thorough lesson plan has students collect all ingredients necessary and work in pairs to make ice cream using plastic bags. They take temperature readings and record them on the chart as well as record findings on the...
Curated OER
Strong Ice
Through three activities, first-time physical scientists wonder at the properties of water. Freeze some soda cans and a container of water prior to the investigation to show that water expands when frozen. Lab groups experiement with...
Curated OER
Integers and Science Worksheet.
In this science worksheet, students incorporate their knowledge of math to solve the given problems about freezing points through conversions. They convert from unit to the other. There are 10 questions.
Curated OER
Water Unit
In this water worksheet, students review the properties of water including the density, boiling point, and evaporation. Students define mixture, solute, and solvent. This worksheet has 22 short answer questions.
Center for Learning in Action
Water—Changing States (Part 1)
Here is part one of a two-part lesson in which scholars investigate the changing states of water—liquid, solid, and gas. With grand conversation and up to three demonstrations, learners make predictions about what they think will happen...
Curated OER
Science: Quick Freeze
Students observe an experiment of freezing point depression using club soda. Through observation, they note that the carbon dioxide molecules disrupt the capacity of the water molecules to solidify. Precautions must be taken to assure...
Curated OER
Water And Changes Of State (3.1)
In this reviewing water and changes of state worksheet, students answer questions about water vapor, state of water, freezing point of ice, evaporation, condensation, distillation, dry ice, and the water cycle. Students answer...
Curated OER
Mix Freeze Group
Students practice division. In this division lesson plan, students are the numbers for your division problem. You begin with the number of students in the class, have students mix until you call freeze. Announce the group size and...
Curated OER
Carbohydrate Functionality - Sweeteners
In this carbohydrate activity, students conduct three experiments to determine the function of sweeteners. This activity has 3 short answer questions.
Curated OER
Musical Freeze Improvisions
Students are introduced to the process of creating story from movement through improvisation and invention. When the music is playing, they move. When the music stops, the students freeze. A discussion on the role that music plays in the...
Curated OER
Glaciers and Ice Wedging
Fourth graders observe buckling sidewalks and potholes before attempting to determine how these things are caused. They freeze water filled plastic cups that have been covered. As the water freezes, the students observe what happens to...
Center for Learning in Action
Water – Changing States (Part 2)
Here is part two of a two-part lesson in which scholars investigate the changing states of water—liquid, solid, and gas—and how energy from heat changes its molecules. With grand conversation, two demonstrations, and one hands-on...
Concord Consortium
Specific Heat and Latent Heat in Condensation
There's more to melting than meets the eye! Junior physical chemists investigate the differences between specific and latent heats as a substance undergoes a phase change. Users remove heat from the system and observe changes in kinetic...