What is he doing?
He is inventing something
What is it?
invention
How is it?
sticky
Where do people invent new things?
laboratory
What is she doing?
She's peeling off the apple skin
Which one is used to describe this material?
adhesive
dark
rigid
flexible
Which property of the material is it?
see through
smooth
rough
opaque
How can you describe the property of material if you can see through it clearly?
soft
opaque
transclucent
transparent
When you put the pingpong ball in a water cup, does it sink or float?
float
What is it?
magnet
How can we call this type of material?
Superconductor
Which word is used to describe an object remaining in one place in the air?
hover
Which type of glass can turn from being transparent to opaque for privacy?
Electrochromic glass
Which invention is it?
Post it note / sticky note
