Raven unfolds the napkin all the way open.
Rocket tapes on the same four strings and the same cup.
The grown-up lets go from the same height.
The big canopy opens wide and drifts down.
"Two seconds!" Nova cheers. "Slowest drop yet!"
| Version | Canopy | Fall time (seconds) |
|---|---|---|
| No parachute | None | Under 1 |
| Rocket version 1 | Tiny folded square | 1 |
| Rocket version 2 | Full open napkin | 2 |
The big canopy fell the slowest.
Only the canopy size changed.
So the bigger canopy made the difference.
Your times may be different. Write down what you see.
| Idea | True or false? |
|---|---|
| A bigger number of seconds means a slower fall. | ? |
| The big canopy caught more air. | ? |
| The crew changed the cup and the canopy. | ? |
| Version | Canopy | Fall time (seconds) |
|---|---|---|
| Your version 1 | ||
| Your version 2 |
To rank means to put in order.
Put the slowest fall first.
Put the fastest fall last.
| Result | True or false? |
|---|---|
| The big canopy made the most drag. | ? |
| No parachute fell the slowest. | ? |
| The crew used the same strings. | ? |
You made a slow, gentle landing!
Tomorrow is Build Day.