Matter- Mixtures and their Separation. Grade 5 Week 3. What are mixtures?. When substances are combined without chemically reacting , mixtures are formed. In a mixture, each component or part retains its own original properties. Solutions are mixtures. Lemonade is a mixture.
Grade 5 Week 3
Lemonade is a mixture.
Coffee is a solution.
In a solution, you observe only one single phase
(solid or liquid or gas).
Evaporate water out!
Since iron is magnetic, passing a magnet over the mixture will pull the magnet out!
Filtration can be used to filter particles out of dirty water.
The recent oil spill in the Gulf has been a challenge for scientists. How do we separate the oil from the water in an effective way?
Here a clean up crew up scoops up oil from the beach….
Example: pure H2O
Example: candy mixture
Compounds cannot be as easily separated as substances have chemically combined!
Mixtures can easily be separated by physical means….