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Science Lab · 100 activities

One question.
A whole world to explore.

Look closely, play with an idea and find out why. Follow a guided journey or choose a question of your own.

A good place to start

Why does the Moon appear to change shape?

Move the Moon around Earth and compare the sunlit part visible from our planet.

Start exploring →Science source: NASA

Pick a first journey

Start with a familiar question. There are 20 short journeys to explore.

1

Earth, Moon and Sun

Follow the light, change your viewpoint and put our Solar System in perspective.

Explore 5 activities →
2

Our changing Earth

Move tectonic plates, inspect real earthquakes and discover how landscapes change.

Explore 5 activities →
3

Read the sky

Identify real clouds, follow moving air and distinguish today's weather from climate.

Explore 5 activities →
4

Water on the move

Follow a raindrop, trace a watershed and explore waves and tides.

Explore 5 activities →
Ten subjects. So many possibilities.

What are you curious about?

Saved experiments
10 activities · 2 journeys

Space

Follow the light, explore other worlds and see the Solar System in perspective.

Earth, Moon and Sun5 activities

Follow the light, change your viewpoint and put our Solar System in perspective.

Start this guided journey →
  1. What causes day and night?
  2. Why do the seasons change?
  3. Why does the Moon appear to change shape?
  4. Why is there not an eclipse every month?
  5. How big is our Solar System?
A tour of other worlds5 activities

Compare planets, change worlds and follow the clues left by smaller objects.

Start this guided journey →
  1. What makes a planet rocky or giant?
  2. Would the same object weigh less on the Moon?
  3. Why do different planets have different years?
  4. Is a shooting star really a star?
  5. What can overlapping craters tell us?
10 activities · 2 journeys

Earth and geology

Read the clues in rocks, moving plates and the changing surface beneath us.

Our changing Earth5 activities

Move tectonic plates, inspect real earthquakes and discover how landscapes change.

Start this guided journey →
  1. What happens where tectonic plates meet?
  2. Where do earthquakes happen?
  3. Why do volcanoes have different shapes?
  4. Can one kind of rock become another?
  5. How are weathering and erosion different?
Clues beneath our feet5 activities

Reconstruct a changing Earth using rocks, seismic evidence and its interior.

Start this guided journey →
  1. How can evidence help rebuild Pangaea?
  2. How do wave arrival times locate an earthquake?
  3. How can tests distinguish minerals?
  4. What happened first in these rock layers?
  5. What is inside Earth?
10 activities · 2 journeys

Weather and climate

Look closely at the sky and connect daily weather with longer patterns.

Read the sky5 activities

Identify real clouds, follow moving air and distinguish today's weather from climate.

Start this guided journey →
  1. What can a cloud's shape tell us?
  2. Why does the wind blow?
  3. What happens when air masses meet?
  4. Why does rain sometimes arrive as snow or sleet?
  5. How is today's weather different from climate?
Storms and changing patterns5 activities

Read weather evidence, investigate storms and trace energy through the atmosphere.

Start this guided journey →
  1. What does a thunderstorm need?
  2. What do weather-radar colours really show?
  3. Why does warm water not always make a hurricane?
  4. How do greenhouse gases affect escaping energy?
  5. How can a warming trend contain cooler years?
10 activities · 2 journeys

Water and oceans

Follow water through the ground, rivers and the ocean.

Water on the move5 activities

Follow a raindrop, trace a watershed and explore waves and tides.

Start this guided journey →
  1. Where can a drop of water go next?
  2. Which river will this rain reach?
  3. How can the ground hold water?
  4. Does a wave carry the same water across the ocean?
  5. Why does the sea rise and fall?
Rivers to ocean5 activities

Follow dissolved materials, currents and the changing conditions of ocean habitats.

Start this guided journey →
  1. Why can the same rain make a sharper river peak?
  2. Why does evaporation leave the ocean’s salt behind?
  3. What can move water across the ocean?
  4. Can a bleached coral still be alive?
  5. Can seawater acidify while it is still basic?
10 activities · 2 journeys

Forces, motion and energy

Push, pull and test how objects move and exchange energy.

Push, pull and move5 activities

Compare forces, mass, inertia and the paired pushes between objects.

Start this guided journey →
  1. Can balanced forces act on a moving object?
  2. How do force and mass change acceleration?
  3. Why does a moving object not always need another push?
  4. What sets the stopping distance of a sliding object?
  5. Why can equal pushes produce different motions?
Energy in motion5 activities

Explore collisions, stored energy, springs, magnets and pendulums.

Start this guided journey →
  1. What stays the same when two carts collide?
  2. Where does stored height energy go?
  3. Why does a stretched spring pull back?
  4. When do two magnets push apart?
  5. What changes a pendulum’s swing time?
10 activities · 2 journeys

Light, sound and electricity

Follow light, explore vibrations and make a circuit work.

Light and vibration5 activities

Make shadows, steer light and connect a vibration with a sound wave.

Start this guided journey →
  1. What makes a shadow bigger?
  2. How can a mirror redirect light?
  3. Why does light bend at a boundary?
  4. What happens when coloured lights overlap?
  5. How does a vibration travel as sound?
Sound and circuits5 activities

Compare pitch and loudness, then build connections that carry current.

Start this guided journey →
  1. What makes one note higher than another?
  2. How does wave size relate to sound strength?
  3. What does a bulb need to light?
  4. Which materials complete an electrical path?
  5. How do different circuit paths change the result?
10 activities · 2 journeys

Matter and chemistry

See materials as particles and investigate how they change.

Particles and materials5 activities

Explore states of matter, density, atoms and molecules.

Start this guided journey →
  1. How can the same material have different states?
  2. What changes when particles are heated?
  3. Can a small object be denser than a big one?
  4. What makes one atom a different element?
  5. How do atoms make different molecules?
Mixtures and reactions5 activities

Separate, dissolve and rearrange particles while following the evidence.

Start this guided journey →
  1. How can a mixture be separated without a reaction?
  2. Where does a solid go when it dissolves?
  3. Can atoms disappear in a chemical reaction?
  4. What can change how quickly a reaction proceeds?
  5. What can an indicator tell us about a solution?
10 activities · 2 journeys

Plants, animals and ecosystems

Explore how living things grow, interact and share a habitat.

Growing and connecting5 activities

Follow energy through plants, pollination, seeds and food webs.

Start this guided journey →
  1. Where does a plant get the material for growth?
  2. What does a seed need before it starts growing?
  3. How can a visitor help a flower make seeds?
  4. How can a seed travel away from its parent?
  5. Why is a food web more than one chain?
Life in a habitat5 activities

Explore resources, decomposers, camouflage and connected habitats.

Start this guided journey →
  1. What happens when living things share a limited resource?
  2. How do nutrients return from dead material?
  3. Why can an animal be hard to spot?
  4. Can a small sample reveal every species?
  5. Why can a corridor matter between habitat patches?
10 activities · 2 journeys

The human body

Follow the systems that keep a body moving and working.

Inside your body5 activities

Follow blood, breath and food, then explore filtration and support.

Start this guided journey →
  1. Where does blood travel next?
  2. How do gases cross between air and blood?
  3. How does food become nutrients the body can use?
  4. What stays in blood, and what becomes urine?
  5. How can bones support and protect the body?
Movement and messages5 activities

Connect movement, sensory signals, immune response and DNA information.

Start this guided journey →
  1. Why do different joints allow different movements?
  2. How can a pair of muscles move a joint both ways?
  3. How does a stimulus become information?
  4. How do different defences work together?
  5. How does DNA pairing help preserve information?
10 activities · 2 journeys

Engineering and scientific investigation

Design a solution, make a fair test and decide what the evidence supports.

Design, build, test5 activities

Set a goal, compare structures and explore gears and pulleys.

Start this guided journey →
  1. What should a design achieve, and what limits it?
  2. How can a bridge pass a load to its supports?
  3. When does a supported object tend to tip?
  4. How do gear teeth change turns and direction?
  5. Why can more supporting rope reduce the pull?
Think like a scientist5 activities

Use sensors, control variables, measure carefully and read the evidence.

Start this guided journey →
  1. How can a measurement guide a machine?
  2. How can a comparison isolate one changed factor?
  3. How much can a ruler reading tell you?
  4. What can repeated readings reveal?
  5. Which claims does a graph actually support?
Read it your wayFive reading levels, available without signing in.
See, then tryStart with an explanation. Change something and notice what happens.
Follow the evidenceSpecific government, university and scientific-institution sources in every lesson.