States of Matter
I have a shape ALL the time. What am I?
I am a Solid!
Gabriella and Jayce are eating ice cream together outside. The ice cream starts melting, so they decide to put it in the freezer. Is this a reversible or a not reversible change?
Reversible
The process of making something colder by taking away heat.
Cooling
Mason, Elix, Jaxon, and Mehki melted butter on the stove. They got distracted by the football game on the TV and forgot all about the butter! When they remembered the butter, it had already turned back into a solid. Can they melt the butter again?
Yes, the butter can melted again because this is a reversible change.
I take the shape of whatever container I am in. What am I?
I am a Liquid!
Ms. Calcutt is melting crayons with Sadie, Rose, Kensley, and Taylor. They predict that the crayons will cool and harden back into a crayon. Are they correct? Why?
Yes. Because this is a reversible change.
The process of making things warmer by adding energy.
Heating
Ms. Stubbs is cooking an egg, but she burns it! Can this change be reversed? Why or why not?
This change can't be reversed because the burnt egg can't turn back into a raw egg.
I have no shape and no volume. Sometimes you can't even see me. What am I?
I am a Gas!
Andrea and Raegan are eating chocolate together. Andrea's chocolate starts to melt, so they decide to put it in the fridge. Will the chocolate cool and harden? What type of change is this?
Yes, the chocolate will cool and harden. This is a reversible change!
Measuring how hot or cold something is.
Temperature
Kingsley and Islah are making popsicles for their class, but they melt! What can they do to make sure the class still gets popsicles?
They can put them in the freezer.
Water, Dr. Pepper, and Sweet Tea are all what state of matter?
Liquid
Adriana, Hayes, and Decari are making smores by the camp fire. They decide to add more wood to burn. The fire makes the wood burn to ash. Can the ash turn back to wood? Why or why not?
No because the ash can't turn back to wood. This is a not reversible change.
Any characteristic of an object that can be determined by the 5 senses.
Properties
Ms. Calcutt is making popcorn in the microwave. The kernels heat up and pop. After they pop, Ms. Calcutt decides she wants the kernels back the way they were before. Can the popcorn be changed back into kernels? Why?
No they can't because you can't cool popcorn to turn it back into kernels. This is a not reversible change.
I am a solid when you punch me, but a liquid when you hold me! I feel sticky in your hands and come from a story. What am I?
I am Oobleck!
Conner, Zya, Chase, and Locke put a pizza in the oven to cook. After it cooks, they decide they don’t want pizza anymore. They want chicken nuggets and pasta instead. Can they change the cooked pizza back into the way it looked before?
No! This change is not reversible.
Using evidence (proof) to support a claim about how things work.
Argue
Your friend says that when ice melts into water, it is a change that cannot be reversed. Do you agree or disagree with them? Why?
Disagree because we know water can freeze into ice when the temperature gets cold.