Understanding Mixtures

What materials are required for the experiment?

• Four glasses, tap water, powdered milk, salt, oil, and gravel

• Three glasses, tap water, baking soda, oil, and stones

• Two glasses, distilled water, sugar, oil, and sand

• Four cups, mineral water, flour, vinegar, and pebbles

What is the first substance added to the water in the experiment?

• Powdered milk

• Gravel

• Salt

• Oil

What is the purpose of stirring the mixtures after adding each substance?

• To change the color of the mixture

• To ensure the substance dissolves or mixes properly

• To cool down the mixture

• To increase the volume of the mixture

Which substance is added last to the water in the experiment?

• Gravel

• Oil

• Powdered milk

• Salt

What is the final step before observing all mixtures?

• Waiting for one minute

• Adding more water

• Adding more salt

• Heating the mixtures