Transportation
What helps an airplane fly?
wings
Why is a wide base important for tall towers?
It keeps the tower balanced and stable.
Why do some bridges have arches?
Arches help spread the weight and make them stronger.
What instructions does a robot need?
Direction, speed, and time.
What makes a city easy to live in?
Good roads, buildings, and places to live and play.
Why are big wheels better on rough roads?
They go over bumps more easily
Why are pyramids shaped with slanted sides?
The shape spreads the weight and makes them stronger.
Where is the strongest part of a bridge?
The base and the supports.
Why plan a path first?
So the robot doesn’t get lost or crash.
Why roads AND bridges?
Roads connect land, bridges cross obstacles (like water).
What makes a vehicle stable?
Wide base + low center
What happens when weight is added at the top?
The tower becomes less stable and may fall.
What happens if weight is not evenly distributed?
The bridge can bend or break.
What happens if angles are wrong?
The robot goes the wrong way.
How to reduce traffic?
More roads, better planning, or public transport.
Why are some vehicles better for long distances than others?
They are faster, stronger, and use energy more efficiently.
Which is stronger: tall thin or short wide? Why?
Short and wide, because it is more stable.
Why did a bridge break?
Too much weight or weak support.
How to fix a robot going off track?
Adjust directions, speed, or timing.
What problems could happen if we don't reduce traffic?
Traffic, pollution, or overcrowding.
What would happen if a car had very small wheels?
It would move slower and struggle on bumps.
What happens if the top is too heavy?
It may fall
Where is the strongest part of a bridge?
Supports
Why plan first?
Avoid mistakes
If you have +1,000 people coming to live in your city? what to improve?
Build more houses, roads, and services.