Use prefixes sub- and inter-

What you'll learn

1. 1

   Imagine a submarine 🚢. It goes UNDER the water. The prefix 'sub-' means 'under' or 'below'!

2. 2

   What does the prefix 'sub-' mean?

3. 3

   Look at these words: 'submarine' 🚢 (under water), 'subway' 🚇 (under the ground), 'subtitle' 📺 (words under the picture). They all start with 'sub-'!

4. 4

   Let's build a word with 'sub-'. Take 'marine' (the sea) and add 'sub-'. What do you get?

5. 5

   Now build a word with 'inter-'. Start with 'national' (about one country) and add 'inter-' in front.

6. 6

   Which word uses 'sub-' to mean 'below zero'?

7. 7

   Which word uses 'inter-' to mean 'between cities'?