Pictures:

What is black when clean, and white when dirty?

A black board.

2032

What is brown and sticky?

A stick.

2106

What happens to a snowman that gets angry?

It has a meltdown.

2090

What looks like white paint and smells like blue paint?

White paint.

1755

Why is it hard to trust a staircase?

It's always up to something.

2033

What happens if two silk worms have a race?

They end in a tie.

2280

What was the result that friends Juan and Amal were always together?

When you saw Juan, you saw Amal.

2461

Where do books sleep?

Between the covers.

2375

Why does filling up tires keep getting more expensive?

Inflation.

1759