Properties of materials vocabulary

This wall has lots of little bumps all over it. It is...

• rough
• smooth
• magnetic
• soluble

Chocolate breaks very easily. It is....

• permeable
• soft
• brittle
• transparent

Plastic is made by people. It is...

• natural
• synthetic
• heavy
• absorbant
• None

His hand is safe, because the heat from the pan can't get through the gloves. The gloves are..

• thermal insulators

• thermal conductors

• electrical insulators

• electrical conductors

• None

I can see myself when I look in these sunglasses. The glass is...

• synthetic
• dull
• flexible
• reflective
• None

When I mix sugar into water, it becomes part of the liquid. The sugar is...

• hard
• rigid
• soluble
• opaque
• None

The skin of this apple has no bumps. The skin is...

• rough
• hard
• light
• smooth
• None

On the flame, the metal in the pan quickly gets very hot. The metal is...

• a thermal conductor
• a thermal insulator
• an electrical conductor
• an electrical insulator
• None

His shirt has lots of tiny holes, so water got into his clothes. His shirt is...

• permeable
• flexible
• translucent
• dull
• None

I can see some light through this blue plastic, but I can't see through it clearly. It is...

• transparent
• translucent
• opaque
• reflective
• None