Pictures:

How we do know that the thumb is the strongest finger?

It's a rule of thumb.

1447

What do Siamese twins say to each other before dinner?

Would you like to join me before dinner?

2757

Why did the family chissel their names in the tree in the backyard?

They were making a family tree.

3087

Is there anything absolute about families?

It's all relative.

1728

Why did the scarecrow win a very special award?

Because it was outstanding in its field.

1189

How did the sergeant know that he could take all the blankets that were needed?

He had blanket permission.

1357

What does a mix of chemicals and the answer to a problem have it common?

They are both called a solution.

2780

What did the dentist say after he examined the comb with a lot of thin teeth?

You're fine.

3126

What seven letter word for a tree has all 5 vowels?

Sequoia

1679

Why was Arnold arguing with his stomach?

Because he ate something that didn't agree with him.

2007

What did the procrastinator tell those who said he'd never get anywhere?

"You just wait!"

2220

If the hole of a bagel is filled with black pepper, what is the result?

A black hole.

1694