Let's solve the task step by step.
1. This is very long and it has lots of wheels. It runs on streets.
The answer is **tram**.
2. You can go to an island on this over water.
The answer is **boat**.
3. This flies in the air.
The answer is **plane**.
4. This has four wheels. Many families have got one.
The answer is **car**.
5. Children have got these and they can ride them in the park.
The answer is **bike**.