Unit 2.6 How to Mix Oil and Water

What do you need to mix oil and water?

• Bowl and water

• Oil and water

• Bowl, water, oil, washing-up liquid and spoon

• Washing up liquid

Which is the first step to mix oil and water together?

• Next, pour some water into a bowl.

• Next, add some drops of washing-up liquid and stir the water.

• First, make sure you have all your equipment.

• Then, add some cooking oil and observe.

Which is the second step to mix oil and water together?

• Next, pour some water into a bowl.

• Next, add some drops of washing-up liquid and stir the water.

• First, make sure you have all your equipment.

• Then, add some cooking oil and observe.

Which is the third step to mix oil and water together?

• Next, pour some water into a bowl.

• Next, add some drops of washing-up liquid and stir the water.

• First, make sure you have all your equipment.

• Then, add some cooking oil and observe.

Which is the fourth step to mix oil and water together?

• Next, pour some water into a bowl.

• Next, add some drops of washing-up liquid and stir the water.

• First, make sure you have all your equipment.

• Then, add some cooking oil and observe.

Which is the final step in mixing oil and water together?

• Lastly, observe the changes in the mixture.

• Next, add some drops of washing-up liquid and stir the water.

• First, make sure you have all your equipment.

• Then, add some cooking oil and observe.

What was the end result?

• The oil and water do not mix together.

• The mixture turned to a different colour.

• The oil and water were mixed together.

How much washing-up liquid do you add?

• The whole bottle

• One cup

• Half a cup

• Few drops

Do you add the cooking oil before the water?

• Yes

• No

What was the role of the washing-up liquid in this experiment?

• to break up the water

• to create bubbles

• to break up the oil

• to wash dishes