Packet 10: Bonus 2
Dinorwig Power Station, sometimes referred to as “Britain’s largest battery,” uses this substance for energy storage. For 10 points each:
[10e] Name this substance which can be pumped into a reservoir and released through turbines by a dam to generate power.
ANSWER: water [or H 2 O]
[10h] These devices, which may use magnetic bearings to reduce friction, can be used for energy storage by rotating them at very fast speeds to store rotational energy.
ANSWER: flywheels [accept flywheel energy storage]
[10m] Power storage in cars often uses sulfuric acid in a type of rechargeable battery known as “[this metal]-acid” batteries.
ANSWER: lead [or Pb; accept lead-acid battery]
<Other Science — Sam Macchi> | SHOW-ME Four Packet 10
| Heard | PPB | E % | M % | H % |
|---|---|---|---|---|
| 18 | 12.78 | 100% | 22% | 6% |
Conversion
| Team | Opponent | Part 1 | Part 2 | Part 3 | Total | Parts |
|---|---|---|---|---|---|---|
| (not so) Evil Empire | ASCA (Ava, Sean, Chris, and Aiden) | 10 | 0 | 10 | 20 | EM |
| Copilot, give me a witty team name for an online quizbowl tournament | ccny potato salad | 10 | 0 | 0 | 10 | E |
| DeWitt A | Troy A | 10 | 10 | 10 | 30 | EHM |
| DeWitt B | White Cloud A | 10 | 0 | 0 | 10 | E |
| Detroit Catholic Central B | Detroit Catholic Central C | 10 | 0 | 10 | 20 | EM |
| Detroit Country Day B | Taylor | 10 | 0 | 0 | 10 | E |
| Hillsdale Academy A | Detroit Catholic Central A | 10 | 0 | 0 | 10 | E |
| Hillsdale Academy C | White Cloud B | 10 | 0 | 0 | 10 | E |
| Hillsdale Academy D | Grand Ledge | 10 | 0 | 0 | 10 | E |
| New Buffalo B | New Buffalo A | 10 | 0 | 0 | 10 | E |
| Okemos A | Utica Academy | 10 | 0 | 0 | 10 | E |
| Okemos B | U of D Jesuit | 10 | 0 | 0 | 10 | E |
| Rockford A | Chelsea | 10 | 0 | 0 | 10 | E |
| Rockford B | Coldwater | 10 | 0 | 0 | 10 | E |
| Traverse City Central B | Holt | 10 | 0 | 0 | 10 | E |
| Troy B | Detroit Country Day A | 10 | 0 | 0 | 10 | E |
| USN B | USN A | 10 | 0 | 10 | 20 | EM |
| Williamston | Traverse City Central A | 10 | 0 | 0 | 10 | E |
Summary
| Tournament | Edition | Match | Heard | PPB | E % | M % | H % |
|---|---|---|---|---|---|---|---|
| Rube Goldberg XIX | 11/20/2025 | ✓ | 15 | 12.00 | 100% | 13% | 7% |
| SHOW-ME Four Nationwide HS | 11/20/2025 | ✓ | 2 | 15.00 | 100% | 50% | 0% |
| SPOOKY IX | 11/20/2025 | ✓ | 1 | 20.00 | 100% | 100% | 0% |