True or False: A mirror is shiny.
True
A potter makes a flower pot from clay. What change is made?
Mold
BIODEGRADABLE OR NONBIODEGRADBLE
Dry leaves
Biodegradable
Name one physical property of a table
Hard
A carpenter uses nails to make a table. What change is made?
Joined
BIODEGRADABLE OR NONBIODEGRADBLE
Plastic straw
Non-biodegradable
Name one object that is rough.
Rope, sandpaper, tree bark
A chef slices a carrot into small pieces. What change is made?
Cut
E-WASTE OR RECYCLABLE:
Newspaper
Recyclable
Which physical property helps a rubber band stretch without breaking?
Stretchable
Why is changing solid materials useful?
It helps make new or useful objects.
E-waste or Recyclable:
Broken keyboard
E-waste
Name two physical properties that solid objects can have.
Any two: hard, soft, rough, smooth, shiny, stretchable
Maria wants to make a paper bag from one sheet of paper. Which changes should she make to the paper?
Cut, Fold, and Joined
Why should biodegradable and non-biodegradable materials be separated?
So they can be disposed of properly and help protect the environment.