Class 6 Science · Curiosity · Explorer

The Wonderful World of Science

Read a little, watch it move, try the labs, then play. Clear all six games!

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Science is a way of understanding the world, by observing, asking questions and finding out by doing. Read, watch it move, and try the labs. Clear all six games to become champion!
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What is science?

What it is

Science is a way of understanding the world by observing carefully, asking questions, and finding out by doing. It is not just a pile of facts, it is a way of thinking.

Why it works

Science works because it tests ideas against what really happens. A question is scientific when we can observe or measure something to answer it, rather than settle it by opinion alone.

Why it matters

This way of thinking helps us make sense of everyday things, from why the sky is blue to why ice melts.

A few examples

"How long does ice take to melt?" can be tested.  "Which colour is prettiest?" is an opinion, not a science question.

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The branches of science

What it is

Science has different branches. Physics studies motion, force, light, heat and magnets. Chemistry studies materials and how they change. Biology studies living things. Earth and space science studies rocks, weather, the Earth and the sky.

Why it works

The world is one whole, so these branches overlap and work together. Curiosity, your textbook, weaves them into one journey rather than keeping them separate.

Why it matters

Knowing the branches helps you see which kind of question you are asking and where to look for answers.

A few examples

A magnet picking up pins is physics.  A plant making food is biology.  Rusting iron is chemistry.  A rainbow after rain is earth and space science.

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Sorting the world

What it is

Every topic we study belongs mostly to one branch of science, though many connect to others too.

Why it works

By asking what the topic is really about, living things, materials, forces, or the Earth and sky, you can sort it into a branch. This trains you to see patterns like a scientist.

Why it matters

Sorting and grouping is one of the first skills a scientist uses to make sense of many observations.

A few examples

Stars and planets belong to space science.  Animals belong to biology.  Heat and light belong to physics.

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The scientific way

What it is

Scientists follow a simple cycle: observe something, ask a question, make a guess (a fair prediction), test it with an activity, look at the result, and conclude.

Why it works

Each step builds on the one before. You cannot test an idea until you have a question, and you cannot be sure of an answer until you have tested it and checked the result.

Why it matters

Following these steps keeps our answers honest, because they must agree with what actually happens.

A few examples

See a puddle dry up, ask why, guess the sun warms the water away, test by leaving water in sun and shade, then conclude.

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Science all around us

What it is

Science is not only in a laboratory. It is in everyday life, in cooking, cycling, growing plants, rain and the stars.

Why it works

Every ordinary activity carries a science idea inside it. Cooking uses heat and change, cycling uses force and motion, a growing plant is living biology at work.

Why it matters

Spotting the science in daily life makes learning real and keeps your curiosity alive.

A few examples

Cooking food is about heat and change.  Riding a cycle is about force and motion.  A seed sprouting is about living things.

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Observing with tools

What it is

To observe and measure well, scientists use simple tools: a magnifying glass to see tiny things, a thermometer for temperature, a ruler or tape for length, and a balance for mass.

Why it works

Our senses are powerful but limited, so tools extend them and let us measure carefully, giving numbers we can compare and trust.

Why it matters

Careful observing and measuring is the heart of science, and the right tool makes it possible.

A few examples

A magnifying glass shows tiny insect legs.  A thermometer tells us how hot water is.  A tape measures length.

🔄 Watch the science cycle

The glowing dot travels the loop: observe, question, guess, test, conclude, then round again.

1Observe2Question3Guess4Test5Conclude

🧩 Branch Lab: sort it yourself

Drag each topic into the branch it belongs to. sorted 0/8

🐾 Biology
⚛ Physics
🧪 Chemistry
🌍 Earth and space
🐸frog
🌲tree
🧲magnet
💡light
🛠rust
🎗salt
⭐star
🌕Moon
Drag a topic into a bin to begin.

🔍 Observation Lab: look closely

Drag the magnifying glass across the leaf to discover the tiny living things hiding on it. found 0/5

🐜🐝🌿💧🐛
Press and drag inside the leaf.
Practice zone

Try these, then check

Have a go in your head first, then tap to see the clear steps.

Q1. Is this a science question we can test: "How many days does a bean seed take to sprout?"

Q2. Which branch of science studies living things like plants and animals?

Q3. A magnet pulling iron pins belongs to which branch of science?

Q4. In the scientific way, what do you do right after you observe something and ask a question?

Q5. Which tool would you use to measure how hot some water is?

Q6. Riding a bicycle shows science mainly about what?

For grown-ups
Grown-up corner: this chapter has a moving science cycle, a drag-and-drop Branch Lab and a magnifier Observation Lab, plus six games. Try asking your child a why question at home and testing it together.
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