Lesson Category: Properties of Matter

Could you tell the difference between sugar and salt without tasting them? Have you ever seen a crystal up close? How are crystals made?

Do liquids all freeze at the same temperature?

What are the differences between ice, water, and steam? What are the similarities between water, juice, and milk?

What is a force? Do we have force? Do solids have force? What about liquids and gases?

Is clay a solid even though you can change its shape? Why is it easy to pour water, but hard to pour honey?

How does panning for gold work? Why is it hot at the top of a pool, and colder at the bottom?

How do suction cups work? Is there anything they can’t stick to?