This type of matter is called oxygen which is considered as a gas. A gas, such as oxygen is invisible, has no shape or size and has no color, but is very important for us to live. Let the students see if they know the correct answer. The jello can be turned from a liquid to a solid but placing it into a cooler place. Let the student s think about this, give them a hint to think about water.
Ice is a good example of a solid turning into a liquid.
Students answer, Ice is water frozen solid and when it melts it is a liquid . This is some good examples of matter and mass that can change from one state to another. Teacher will explain the three activities and assist groups as needed. Students will work in groups to complete the 3 activities and write their discoveries and findings on their worksheets. Each student will hold out their hand in front of their mouth about 1 inch away from them.