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Investigating Mixtures, Elements, Compounds and Solutions

14 minutes 8 seconds

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Students learn how to differentiate mixtures, solutions, elements, and compounds. Additional concepts and terminology discussed include: element, pure substance, properties, atoms, molecule, compounds, types of mixtures, suspension, colloid, and alloy.

Media Details

Runtime: 14 minutes 8 seconds

Topic: Science
Subtopic: Chemistry, Science Methods
Grade/Interest Level: 5 - 8
Standards:

Release Year: 2009
Producer/Distributor: Visual Learning Systems

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Teacher's Guide

Lights and gauges with display screens cover the walls. Illustration of energetic reaction drawn on top. Caption: it releases a lot of energy in the form of heat.

Person in a science lab. One beaker contains an orange liquid, and one beaker contains a green liquid. Caption: It's orange. That means its pH is 5.

Industrial plant from a distance. Caption: That's the world's largest PLA manufacturing plant.

People feeding dried hay to goats. Caption: How can we figure out how much energy is stored in this hay?

Person speaking. Caption: So a nanometer would be ten to the minus nine meters.

Person speaking. Caption: Nanoparticles have been used in sunscreens

Person speaking. Caption: and work on it to manage those risks.

Person speaking. Caption: We can apply an electric field or magnetic fields to them.

Person speaking. Caption: about nanobots replicating and taking over the world.

Person speaking. Caption: between one and one hundred nanometers.