Properties and Categories
Is a sponge flexible or rigid?
Flexible
Which object is made of wood?
A. Window
B. Chair
C. Spoon
B. Chair
You spill water. What do you use?
A. Rock
B. Sponge
C. Glass
B. Sponge
A glass cup is fragile.
Which category does this property belong to ?
Strength
Which material is BEST for a lunchbox and why?
Possible answers: plastic, metal, fabric
You need to wrap a gift.
What property do you need?
Flexible
Name ONE object that is:
Rigid
Hard
Possible answers: Desk, book, phone, chair
Why is plastic good for a water bottle?
Answer: Waterproof / strong / light
Your tower keeps falling.
What property do you need MORE of?
Rigid / strong
Which one does NOT belong and why?
A. Rubber band
B. Rope
C. Metal spoon
C (because it is rigid, not flexible)
A backpack needs to be strong and flexible.
Which material is BEST?
A. Glass
B. Fabric
C. Metal
You are building a roof for a small house.
It needs to:
Keep water out
Not break easily
Which material is BEST and WHY?
A. Paper
B. Plastic
C. Cotton
B. Plastic, because it is waterproof and strong
A material is soft and flexible.
Which object could it be used for?
Possible answers: Clothes, pillow, blanket
Complete the connection:
Material → Property → Use
Give ONE example.
Plastic → waterproof → bottle
Wood → strong → table
Metal → hard → spoon
You are building a playground slide.
It needs to:
Be smooth
Be strong
Not break when kids use it
Not get hoy with the sun
Which material is BEST and WHY?
A. Fabric
B. Plastic
C. Paper
B. Plastic, because it is smooth and strong, so kids can slide and it will not break