![](http://www.horizon-research.com/ASSET/wp-content/uploads/2016/07/melt-25202_640-e1481831066731.png)
What happens to the weight of an ice cube when it melts? | ![](http://www.horizon-research.com/ASSET/wp-content/uploads/2017/09/dogdrinking-e1505329172948.jpg)
What happened to the dog's water? | ![](http://www.horizon-research.com/ASSET/wp-content/uploads/2016/10/mixingliquids-1-e1481831028899.gif)
What happens when you mix water and alcohol? |
![](http://www.horizon-research.com/ASSET/wp-content/uploads/2016/06/salt-water-e1481831308570.png)
What happens when you stir salt into water? | ![](http://www.horizon-research.com/ASSET/wp-content/uploads/2016/07/lemonade-155482_640-e1481831370544.png)
Why is there liquid on the outside of my cold drink glass? | ![](http://www.horizon-research.com/ASSET/wp-content/uploads/2016/12/perfumev2-e1481832179259.png)
How can I smell something from across the room? |