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LATEST FROM Hans Classroom

Roots and worms

Roots and worms

What You Do Fold the paper towel in half and then in half again into a square Get the paper towel square wet and then gently squeeze it out
11 Feb 2019, 01:25 AM IST
The rock cycle

The rock cycle

Solid as a rock Have you heard someone say that before Rocks have a reputation for being solid, hard, and indestructible Rocks line river be
09 Feb 2019, 12:55 AM IST
Ink and paper activities

Ink and paper activities

Inks were originally made from the natural pigments in living materials such as berries, nuts, and leaves The pigments in a green leaf, for
08 Feb 2019, 01:29 AM IST
Colourless colour wheel

Colourless colour wheel

In art, colour is very important The color wheel is often used to explain the relationship of different colours to one another In this way,
07 Feb 2019, 01:59 AM IST
What is genetic modification?

What is genetic modification?

Genetic modification is the process of altering the genetic makeup of an organism This has been done indirectly for thousands of years by co
05 Feb 2019, 12:07 AM IST

How to make a spectroscope

02 Feb 2019, 01:09 AM IST

Learn about metals

01 Feb 2019, 12:24 AM IST

States of matter

31 Jan 2019, 12:48 AM IST

Balloon jet

30 Jan 2019, 01:20 AM IST

Build a mousetrap car

29 Jan 2019, 01:07 AM IST

Plant identification

26 Jan 2019, 01:24 AM IST

Comparing snakes and frogs

25 Jan 2019, 01:05 AM IST

How bird beaks evolved over time decoded

24 Jan 2019, 01:50 AM IST

Bee memory experiment

23 Jan 2019, 12:48 AM IST

Build a solar car

18 Jan 2019, 12:05 AM IST

Introduction to body system

12 Jan 2019, 12:13 AM IST

Introduction to light

10 Jan 2019, 01:41 AM IST

MORE FROM Hans Classroom

The nervous system and the brain

Our nervous system enables our body to communicate The central nervous systemincludes the brain and the spinal cord The peripheral nervous systemincludes the nerves that extend fro
09 Jan 2019, 01:00 AM IST

What is DNA?

Deoxyribo Nucleic Acid DNA is a chemical found in the nucleus of cells and carries the instructions for the development and functioning of living organisms It is often compared to
08 Jan 2019, 12:09 AM IST

Hot water: Convection

The term geothermal is used to refer the heat that comes from the Earths interior This heat often rises to the Earths surface through volcanoes Hot lava molten rock flows out of vo
07 Jan 2019, 03:41 AM IST

Geological matters

Youve probably heard in the news about volcanic eruptions, or you might remember when Mount St Helens erupted Perhaps youve even seen an active volcano Although they are often a de
05 Jan 2019, 12:52 AM IST

Eyes and vision

The human eye is one of the most complex and sophisticated organs in the body Its unique automatic focusing system outstrips that of any camera, and its light sensitivity is ten mi
04 Jan 2019, 12:47 AM IST

Learn about germs

What are germs Can you see germs Where do they come from How can you protect yourself from them There are lots of questions to ask about germs Here are some ideas of fun things to
02 Jan 2019, 12:33 AM IST

Acids, bases and water

One of the most interesting parts of chemistry is the study of acids and bases Its also a very practical aspect of chemistry, since we use acids and bases every day For instance, a
01 Jan 2019, 01:01 AM IST

Blood and the circulatory system

Did you know that blood contains more than just blood cells Our bloodstreams carry red blood cells, white blood cells, platelets, and plasma Red blood cells, or erythrocytes, carry
29 Dec 2018, 01:48 AM IST

Science of the circus

Close your eyes and imagine that you are at a circus Can you smell the popcorn Can you hear the elephants Open your eyes and what do you see Flashing lights and bright colors Clown
28 Dec 2018, 01:14 AM IST

Are two eyes better than one?

How do we see Learn about the science of seeing with these handson lessons and projects Teach your early elementary child K4 about eyes and vision
27 Dec 2018, 03:19 AM IST

Oil cleanup experiments

First, some background info on oil and waterThere have been many oil spills over the years, such as the Gulf oil spill in the US that happened in April 2010, when there was an acci
22 Dec 2018, 01:43 AM IST

Learn about animal homes

The environment in which an animal lives its habitat must provide water, food, shelter, and space Its home must also make the animal feel protected from predators, harsh weather, a
21 Dec 2018, 02:12 AM IST

Compass activities

Finding Your Way With a Compass Have you ever gotten lost in the outdoors, or had trouble finding your way with a map Do you and your children know how to use a compass to find you
20 Dec 2018, 03:49 AM IST

Balloon hovercraft

Try this very simple project to create a floating disc that skims across a surface similar to the way an air hockey puck or hovercraft does What You Need Blank CD or CD you dont wa
19 Dec 2018, 01:29 AM IST

How flowers grow

During springtime, youve probably seen tiny green plants start to peek up above the ground Soon some of those plants will grow beautiful flowers Discover the miracle of plants with
18 Dec 2018, 01:16 AM IST

Learn about Electromagnetism

Whats the difference between a lightning bolt and a refrigerator magnet Perhaps theres much less difference than you think Thanks to the discoveries of Michael Faraday and James Cl
14 Dec 2018, 12:48 AM IST

Learn about Hibernation

Many animals snuggle up in caves, burrows holes in the ground, or hollow tree trunks and sleep during the cold winter months when food is harder to find and cold weather makes it h
13 Dec 2018, 03:04 AM IST

Learn about soil layers

You may know that the Earth is made of several layers and that the outer layer is called the crust Soil is the very top layer of the crust It is important for life on earth because
10 Dec 2018, 11:56 PM IST

Learn about birds

Birds have special ways of surviving Their bodies are a major one Special lightweight bones help them fly and feathers help protect them from bad weather Bones Birds have very ligh
08 Dec 2018, 01:20 AM IST

Learn about dinosaurs, fossils

Fossils are whats left of plants or animals after being buried in mud for a very long time until it turns into rock Hard parts of animals, like bones and teeth, are the most common
06 Dec 2018, 03:04 AM IST

Latest in this section

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Weather basics
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Collecting butterflies
Hans Classroom
Roots and worms
Hans Classroom
The rock cycle