Critical thinking

What grows only upwards and can never come down?

• Height

• Balloon

• Days

What's worth more after it's broken?

• Cup

• Egg

• Rock

I use my ear to speak and my mouth to hear. What am I?

• A radio

• A phone

• A television

I'm as hard as a rock, but I melt immediately in hot water. What am I?

• An egg

• A sweet

• An ice cube

You cannot come in or go out without me. What am I?

• A door

• A wall

• A window

You can eat me at night, but never in the morning. What am I?

• Breakfast

• Lunch

• Dinner

I like food, but water kills me. What am I?

• Fire

• Sponge

• Cloud

I am hard like stone,but I grow on your body. What am I?

• A bone

• A muscle

• A tooth

What if full of hole but still holds water?

• A sponge

• A soap

• A brush

I'm tall when i'm young and i'm short when i'm old. Who am I?

• A ruler

• A pencil

• A candle