Making Ice Cream!

Today we learned first hand how freezing matter can change it!  We made our own ice cream!

First we mixed all our ingredients into a big bowl.

Then we added salt to some ice in a big baggie.  The salt makes the ice even colder than it already is.

We scooped a small amount of our ice cream mixture into small baggies.

We put the small baggies into the big baggies of ice and salt.  Then we started shaking!!

As we shook, the liquid mixture started freezing and turning solid.

We grabbed a spoon and dug in!

Delicious!

Heat can change matter!

We spent 2 weeks learning all about the different types of matter.  This week, we are learning about how matter can change.  Did you know that heat can change matter?

We took some solid ice cubes and put them into hot water.  The ice cubes melted and turned into a liquid.

Then we used a hair dryer to add some heat to a solid piece of chocolate.  It turned into a liquid too!

Next up, we used our hands and friction to melt an ice cube! It was COOOOOOLD!!

Next up, learning how freezing can change matter!!

What's the matter?

We've spent quite a lot of time learning about matter.

We started out with a "Solid Search" around the classroom.

The next day was all about liquids.

We wanted to see which liquid would flow faster...dish soap, honey, or juice.

We made some predictions about which of these containers were holding the most liquid.
5 of us thought there was more blue water.
3 of us thought the red was the most.
And 13 of us thought there was more green water.

But we found out that they were all the exact same amount of water! They just had a different shape.

The next day, we observed some solid ice cream, and liquid rootbeer.

When we poured them together, they created a gas-y froth!

Next up was a mystery solid.  We used our sense of smell, touch and sight to record important information.

It didn't smell very good. :)

We recorded our observations in our science journals and made some predictions about what we thought it was.

Mrs. Glass told us it was called Alka seltzer.

Next we had to predict what would happen if we dropped the Alka seltzer in a glass of water.

It made bubbles! - a gas!