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Listed under:  Science  >  Matter  >  Properties of matter  >  Phase transformations  >  Melting
Collection

VisChem topic 2: dissolution of an ionic salt

This web page contains a video clip, animations and student worksheets exploring the dissolving of ionic solids in water. The video clip has both filmed and animated scenes that compare the dissolving of sodium chloride with melting and show how the dissolving process can be represented by chemical equations. Important ...

Collection

VisChem topic 8: chemical properties of water and aqueous solutions

This web page contains video clips, animations and student worksheets that investigate the chemical properties of water and aqueous solutions. The major topics cover the structure and bonding of water, acids and bases, dissolving, ionic solutions, precipitation and complexation.

Collection

VisChem topic 9: physical properties of water

This web page contains a video, animations and a student worksheet exploring the influence of structure and bonding on the physical properties of water. Two animations showing structure and bonding in oxygen are provided for comparison.

Moving Image

Picking up ice cubes with string

Imagine trying to pick up a slippery ice cube with just a piece of string. Watch the Surfing Scientist team demonstrate how it can be done, using a surprising additive.

Teacher resource

Primary Connections: Melting moments

This is an extensive teaching unit focused on learning, through a collaborative, inquiry-based approach, how a solid is affected by heating and a liquid by cooling. It includes comprehensive lesson plans, as well as student handouts and other teaching resources, for seven structured lessons that form an integrated sequence ...

Interactive resource

What the world is made of: changes of state

Explore how substances can change between the three phases of matter: solids, liquids and gases. Look at what happens when water and chocolate change state through a physical process such as melting or freezing. Compare the heat flow in melting and freezing. This learning object is one in a series of six objects. The series ...

Interactive resource

Going down and burning up

Bring the Hubble Telescope back to Earth for repairs. Build a heat shield to protect the space telescope from burning up. Choose a material that will not easily burn, melt or transfer heat.

Interactive resource

How is the melting of ice affected by heat?

Investigate how heat affects the melting process. Place ice cubes into a container and time how long they take to melt. Repeat the experiment with the container wrapped in wool, and observe the difference in the state of the ice after the given time. Complete the data table and then use the findings to answer the conclusion ...

Audio

Lakes in Antarctica

Scientists are not complacent. We still have a lot to learn about the water cycle. The discovery of glacial lakes under the ice in Antarctica actively transporting water between reservoirs was a surprise. These lakes can be up to 3km beneath the ice sheets. The pressure of the ice above helps to melt the ice, forming lakes. ...

Interactive Resource

Melting and Boiling Point

Students use this resource consisting of eight slides with diagrams, written explanation and voice-over to understand what happens, in terms of energy and particle movement, when a substance changes state from solid to liquid to gas. There is a two-question quiz and a summary slide.

Interactive Resource

experiMENTALS: Relightable candle

This resource contains a materials and instruction list and brief explanation for students about the process of relighting a candle. This activity is most likely to be done as a teacher demonstration for safety and classroom management reasons, particularly at primary school level. Do this experiment to learn how a candle ...

Teacher resource

Get your hands on my food

This is a lesson plan about where food comes from and how it food production processes change it. Concepts explored include: changes in food, methods of past and present food production, sequencing of food production steps and the transformation of food. The resource is presented as a Teacher guide and includes: Learning ...