Imran took an Ice cube. It takes up space and has some weight. He allowed it to melt and form water. Which of the following can be said about this water?
Answers
Answer:
Children experiment with freezing water to observe another special property of ice: that it is less dense as a solid (ice) than it is as a liquid (water). Amazing, Expanding Ice! is an "overnight" activity requiring 20 minutes of preparation, overnight freezing of the experiment, and 10 minutes of follow-up discussion.
What's the Point?
Substances exist in different states; i.e. solid, liquid, gas
Ice is a unique substance because its solid state — ice — is less dense than its liquid state.
Physical properties are characteristics of a substance. They do not change. Physical properties include color, smell, freezing/melting point, and density.
Density is a measure of the mass (amount of stuff) per unit volume (amount of space) of a substance.
Materials
For the group:
Several pitchers of water
Access to a freezer
Trays to carry cups of water
Paper towels in case of spills
Access to a kitchen scale or postal scale (optional)
Answer:
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