Follow the procedure:
1. Put on goggles and make sure hair is tied back, no long sleeves, no sweaters, no hats, etc.
2. There are two toothpicks inside the cup solution. Remove both toothpicks using the plastic spoon provided.
3. Take out the big rock as well, using the plastic spoons.
4. Pressing the spoon onto the rocks and sand to prevent any substances to get into the water, pour the water into a graduated cylinder.
5. Using the filter paper provided, fold it into a cone shape and place it inside a funnel.
*Make sure to hold the filter paper cone because it might pop out from the funnel*
6. Drain the water from the cylinder through the funnel and into a beaker. Wait for the water to filter out.
7. Plug in the hot plate. When it has heated, place the beaker onto the hot plate and wait for the water to boil.
8. While the water is heating, use the magnet given and take out the iron.
9. When the water has boiled unplug the hot plate and the water should evaporate. When it has evaporated, use the magnifying glass to identify the salt particles.
10. Using the plastic spoon, remove the small pebbles.
11. Remove the sand also using the plastic spoon.
7 Substances Inside the Heterogeneous/ Homogeneous Mixture:
1. Water
2. Salt
3. Small Pebbles
4. Big Rock
5. Iron
6. Sand
7. Two Toothpicks
Sources:
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