Biology  by Bradford
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For your class · free

Escape rooms. Five locks, twenty questions.

Each lock has four multiple-choice questions. A team answers all four, then uses that lock's decoder to turn their letters into a four-digit combination. One wrong answer makes one wrong digit, so the lock stays shut until every answer is right.

Play online from a link, checked as they go, or print the pack on A4: question cards, decoder cards, a record sheet, the teacher guide and the answer key.

  1. Answer the four questions at a lock. Nobody finds out yet whether they are right.
  2. Decode the letters with that lock's puzzle: dishes to count, a pathway to follow, a magic square to finish.
  3. Enter the combination. Right, and the next lock opens; after lock 5 the team gets a completion code to show you.
Free · from the question bank

Build a room for your topic

Tick what your class has covered. The room takes 20 multiple-choice questions from the site's checked bank: one per family, so no question gives another away, the harder ones at locks 4 and 5, and no figures. You can edit or swap any question afterwards.

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Tick at least one subtopic.
The library · AP Biology

Nine rooms, one for each unit

Locks 1 to 3 test the facts, locks 4 and 5 apply them. Playing online needs no account; the teacher pack, with every answer and combination, opens once you sign in. Edit a copy to make a room your own: change any question, decoder or difficulty, and your class plays your version from its own link.

Unit 1 · Chemistry of Life

The Frozen Lake Station

A blizzard has sealed your team inside a research station on the shore of a frozen Arctic lake.

Patterns · Petri dishes · Dice · Logic clues · Symbol grid
Play onlineTeacher pack
Unit 2 · Cell Structure and Function

The Cell Factory Lockdown

Your class is touring a biotech plant designed like a giant eukaryotic cell, with a nucleus-style control room, ER assembly lines and a Golgi shipping hall.

Symbol grid · Overlay · Bar chart · Dice · Number pyramid
Play onlineTeacher pack
Unit 3 · Cellular Energetics

The Kelp Light Habitat

Deep beneath the bay, the Kelp Light habitat runs on sunlit algae tanks and the crew's own breathing.

Symbol sums · Overlay · Bar chart · Number pyramid · Dice
Play onlineTeacher pack
Unit 4 · Cell Communication

The Silent Relay Station

High on a frozen ridge, the Halvorsen relay station passes radio messages between distant valley towns.

Light panel · Bar chart · Petri dishes · Logic clues · Overlay
Play onlineTeacher pack
Unit 5 · Heredity

The Heirloom Seed Vault

A late-season blizzard has buried the entrance to a mountainside seed vault, where generations of heirloom crops are stored beside the breeders' pedigree ledgers.

Symbol grid · Patterns · Petri dishes · Overlay · Logic clues
Play onlineTeacher pack
Unit 6 · Gene Expression

The Copyist's Library

You lingered too long in a clifftop library where scribes once copied ancient manuscripts letter by letter, and the caretaker has bolted the doors for the night.

Symbol grid · Symbol sums · Bar chart · Pathway · Magic square
Play onlineTeacher pack
Unit 7 · Natural Selection

The Fogbound Schooner

Your class has boarded a restored research schooner retracing a naturalist's voyage through a remote volcanic archipelago.

Dice · Bar chart · Patterns · Symbol sums · Magic square
Play onlineTeacher pack
Unit 8 · Ecology

The Canopy Walkway

Your class is touring a rainforest reserve on a walkway strung high among the treetops.

Light panel · Symbol sums · Dice · Petri dishes · Logic clues
Play onlineTeacher pack
Unit 3 bonus · Cellular respiration

Lockdown in Lab 4

At 09:14 the containment system sealed every door in Lab 4 after a culture tray went missing.

Lock dials · Pathway · Dice · Logic clues · Overlay
Play onlineTeacher pack
The decoders

Thirteen puzzles, three levels each

Show them at
Coming next

Make your own

Any topic, any subject

Give it a topic and your notes, and AI writes the room, checked question by question. 3 credits.