One group used breath, another their hands, salt, and last flashlights.
Through this experimenting and observing they all discovered that in order to change a solid into a liquid you needed to have heat. They also learned that to change the solid into a gas you must heat it up alot!
Ask your child about their experimenting.
I encouraged the students to observe what happens to ice in a cup at home or steam in the bathroom when taking a shower or bath, or their breath on a cold day.
"WOW!" "Did you hear that guys?" "Salt causes a chemical reaction and makes ice melt!" |
"This gives I'm a little teapot a whole new meaning!" |
Melting with the heat of our hands. The kids discovered that if they warm their hands by rubbing them together it gets them even warmer! |
We are breathing out to make ice melt. One student said, "Mrs. Chiaverotti look at my puddle it's huge!" |