If you have a gallon of ice and a gallon of water, the gallon of ice will weigh less than the gallon of water. When you put the ice into the water, the denser water pushes the ice to the top where it will float.
This unique property of water is especially beneficial for fish that live in bodies of water that freeze in the winter. Because ice floats, bodies of water freeze from top to bottom.
This allows fish to survive deep underwater even when the surface freezes! Feeling a bit cold from this Wonder of the Day? Grab a friend or family member to help you keep warm while you check out the following fun activities:. Thanks, Makayla! We like to have fun while we are learning, although we do get a little carried away sometimes. You must be answering the question, "Did you think today's Wonder was absolutely, mind-blowingly, amazing?
Ah, yes. With the bubbles really cold and how they tickle inside our mouth. Lovely, kathryn. Yes, Jamie but don't forget that it also has to do with density, not just temperature. There's a lot going on in that cool glass of lemonade, isn't there? We are glad you are learning something new with us, Ellie! You can submit it to our Wonder Bank if you do. Thanks, Kat! Hey, Ryan!
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Help spread the wonder of families learning together. We sent you SMS, for complete subscription please reply. Follow Twitter Instagram Facebook. Why does ice float in water? At what temperature does water reach its maximum density? Are liquids or solids typically denser? Wonder What's Next? Grab a friend or family member to help you keep warm while you check out the following fun activities: Want to experiment with some different objects and liquids to learn more about the density of different substances?
Before you get started, make some predictions about how you believe the different substances will behave. When you're finished, compare your predictions to your results. Did any of the results surprise you? Having a hard time imagining hydrogen bonds between water molecules? No worries! Maybe an image will help.
Jump online to view the Hydrogen Bonds image that demonstrates how hydrogen bonds form between water molecules. If you're up for a challenge, use some simple supplies you have around the house to construct models of water molecules. Did you know you could do more with ice than simply put it in a drink? What are some of the properties of ice? Answers will vary, but may include its color, how it feels, its temperature, etc. Can they name some of the properties of ice they learned about in The Amazing Expanding Ice experiment?
What they learned should include that ice is less dense than water and water expands as it freezes. Distribute the containers of water, paper towels, and the Ice Investigator Journals. Ask each team to move their container to a location where it can be viewed by the whole team. Have the children mark the water level on the sides of their containers and draw their water levels in their journals.
Distribute one of the cups of ice from the Amazing Expanding Ice activity to each group. Share that they will be placing the ice into the container of water. What do they think will happen? Invite the groups to carefully place their ice in their container. What is the ice doing? The ice is floating. What happened to the water level? It went up. How can you find mass from density? How are density mass and volume related? How do you calculate mass using density and volume?
How do you convert mass to density? How do you determine the density of a gas? What is the density of water? What is linear mass density? Why does density change with temperature? How does density affect ocean currents? See all questions in Density.
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