Articles

Filter
Age group
Topic
Filter

Showing 10 results from a total of 978

| Issue 29

How water travels up trees

Why do giant redwoods grow so tall and then stop? It all has to do with how high water can travel up their branches.

Ages: 16-19;
Topics: Biology
   

| Issue 29

Become a water quality analyst

Industrial activities and even geological changes can affect the quality of water, causing contamination that poses risks to human health and the environment. Learn how to become an independent analyst to ensure that we have good-quality water.

Ages: 16-19;
Topics: Biology, Chemistry, Engineering
             

| Issue 29

Light refraction in primary education: the solar bottle bulb

​More than 10 years ago, a very clever and inventive inhabitant from a favela discovered he could produce light without electricity. Now solar bulbs are spreading all over the world.

Ages: <11, 11-14;
Topics: Physics, Engineering
       

| Issue 29

Simulating the effect of the solar wind

​The smooth operation of communications satellites can be influenced by solar weather. Mimic this effect on a smaller scale in the classroom with a simple demonstration.

Ages: 14-16, 16-19;
Topics: Physics, Astronomy / space, Engineering

| Issue 29

Super cold meets super hot

To keep refuelling its reactor, the EFDA-JET facility fires frozen hydrogen pellets into 150 million°C plasma. But these pellets have an added benefit as well.

Ages: 16-19;
Topics: Physics, Engineering