Matter Matters
This word means how a material feels, like bumpy, smooth, or rough.
Texture
This state of matter keeps its own shape, no matter what container you put it in.
a solid
This happens to an ice cube when you take it out of the freezer and leave it on a warm desk.
Melting
If you fold a piece of paper into an airplane, this is a reversible change because you can do this.
unfold it
A brick is hard and heavy, while a pillow is soft and light. Hard, heavy, soft, and light are all types of these
Properties
This state of matter flows, pours, and takes the exact shape of the container it is in.
liquid
To turn liquid water back into solid ice, you must do this to it
Freeze it
If you crack a raw egg into a hot pan and cook it, this type of change just happened.
irreversible change
Name a material that is flexible (bends easily) and a material that is rigid (stiff and breaks if you bend it).
Rubber/paper (flexible) and wood/metal (rigid) (Accept similar correct answers)
Ice is water in this state of matter.
solid
If you heat up a solid stick of butter in a pan, it turns into this.
Liquid
Crushing an aluminum soda can is this type of change.
reversible change
What is the word used to group similar items together?
Classification
True or False: Peanut butter and honey are considered liquids because they can pour and take the shape of their container
True
When you boil water on a stove, the liquid water turns into this invisible __.
Gas, steam, Water vapor
Toasting a piece of bread in the toaster is an irreversible change because you cannot remove this from the bread.
Burn/toast marks
What are the ways items can be grouped?
Hint: There are 6!
Air is a type of gas. Name two things you can fill up with gas to see it take up space.
balloons, tires, or pool floaties, or another appropriate answer
Lava is actually this common earth material that got so hot it melted into a liquid.
Wood turning to ash in a campfire is an irreversible change caused by this action.
Heating/ burning