Review unit 4. Materials in my world

What is the main material of this wall?

• Metal

• Brick

• Concrete

• Soil

Gold, iron and copper are all types of ______.

• rock

• metal

• concrete

• wood

Look at the picture of a cooking pot. You can see what is in the pot.

What material is X made of?

• Metal

• Glass

• Wood

• Rubber

Which material is the strongest?

• Plastic

• Metal

• Wood

• Fabric

What thing is made of metal?

• 
• 
• 
• 

What property does it have?

• Rough

• Shiny

• Strong

• Smooth

What property would you want your clothes to have if it is cold outside?

• Flexible

• Strong

• Warm

• See-through

A spoon and an apple are grouped together. Sandpaper and tree bark are grouped together. How are they sorted?

• By color

• By shape

• By property

• By material

We use this item because of its ______.

• sorting

• properties

• set

• using

What do we need to make things?

• Using

• Materials

• Properties

• Sorting