"sub" review

Katie tried to do this to her brother Jacob's rubber boat in the bathtub.

What is the train under the ground called?

The school nurse could not remove the splinter without breaking the skin since it was...

Which word describes arctic temperatures throughout the year?

Smiling when you are happy is this type of activity.

The cut was _____, but luckily it didn't require stitches.

He tried to subdue his excitement so he wouldn't give away the surprise. What did he try to do?

What is the name of a water vessel that spends most of its time beneath the surface of the sea?

The human body cannot survive ___ temperatures for too long.

The beautiful caverns were ___, but they were still livable just like above ground.

When the students walked down a staircase that took them underground to ride the ___.

These are usually found at the beginning of paragraphs to give some idea what is in that section.

The sergeant told his ___ what they needed to do.

Based on what you know, "subirrigate" would mean ___.

The sinking ship began to ___.