Curiosity, with somewhere to go

Science mix

One idea at a time. A whole collection within reach.

Follow a discovery trail ↗

Opening your progress…

Explored— / 1238

Your breadth of coverage

Building recall—

Still becoming familiar

Reliable recall—

Recalled across time

Ready to revisit—

A little space helps the next check

What counts as reliable recall?

Three successful recalls, each at least 24 hours after the previous counted recall, with no miss since. Repeating immediately won’t move this count. A miss returns the card to learning. Due cards remain part of your history and need another check.

0 cards also have three spaced, unaided test recalls. Study ratings are your own assessment. These are learning signals, not a guarantee of exam performance or real-world expertise. Older progress counts toward coverage; spaced evidence starts with this feature.

Your next useful step

There’s more here for you.

Choose a brief visit or settle in. You can leave and resume a round.

Opening your review options…Study the whole collection →Check unaided recall →

Beyond the answer

Make a connection. Put it to use.

Explore ideas from this collection, then try explaining them in your own words.

3 connections

The Moon you thought you knew

A familiar face. A changing shape. Three ways to look again.

Follow the first clue →
3 connections

One rock. Three different names.

Follow a visitor from space to a streak in the sky, then to the ground.

Follow the first clue →
3 connections

Warmth has more than one way in

From a soup spoon to a sunny window: follow three ways energy travels.

Follow the first clue →
3 connections

The puddle has not disappeared

Follow water into the air, into droplets, and back to the ground.

Follow the first clue →
Explain

A question at the window

Try your own answer, then compare the reasoning.

Try this challenge Trivia

Three clues, one journey

Try your own answer, then compare the reasoning.

Try this challenge Use in life

One room, three routes

Try your own answer, then compare the reasoning.

Try this challenge Explain

Where did the puddle go?

Try your own answer, then compare the reasoning.

Try this challenge

Exploration and reflection are separate from your spaced recall progress.

See the whole picture

Every deck has a place.

The things that made you look twice

Your discoveries

When a reveal surprises you, save it with “That surprised me.” It will be waiting here.

A moment to reflect · optional

What did this learning session leave you with? This reflection stays on your device and can be included in your downloaded learning record.

Your learning data

Keep a copy of your progress, discoveries and written thinking. These controls work even before your first completed round.