Which natural material is glass made from?
sand
Which material is manufactured from wool, cotton and petroleum?
fabric
Which natural material is metal made from?
rocks
Which manufactured material is made from wood?
paper
Cardboard is o_____
opaque
Windows are t__________
transparent
Cushions are s___
soft
Sponges are a________
absorbent
Nails are h___
hard
Umbrellas are w_________
waterproof
What is the opposite of transparent?
opaque
What is the opposite of waterproof?
absorbent
what is the opposite of hard?
soft
What is the opposite of rigid?
flexible
What is the opposite of smooth?
rough
Cables are f_______
flexible
