Oil on the Top or Bottom?
Is the Oil on the Top or Bottom? .mp4
Obj. 11d., 22a.
Instructions:
Gather your materials:
Food coloring and dropper (learning kit)
1 cup water
1 cup oil (vegetable)
½ cup 70% alcohol (can buy at a super or pharmacy)
2 glass, clear cups
1 measuring cup
In one glass cup add ½ cup water then slowly add ½ cup oil. Observe.
In another glass cup add ½ cup oil then slowly add ½ cup alcohol. Observe
Mix the remaining ½ cup water with food coloring. Add it into the mixtures with the dropper. Observe.
InterACTions:
What do you notice about the oil?
What happens to the food coloring when you drop it in?
What do you think is happening?
Why don’t you think the liquids mix?
What are you wondering?
What else do you want to try?