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Showing 10 results from a total of 290

| issue 35

A world without trees

...Phytoplankton bloom off the coast of Newfoundland. Image courtesy of NASA Goddard Space Flight Centre; image source: Flickr  Armed with pollution masks, would the climate and temperature still be suitable...

Ages: not applicable;
Topics: Resources
 

| Issue 11

Growing crystals from protein

...tape (5 cm) (Hampton Research) 1 ml and 1 μl manual pipette A microscope to observe the crystals Storage space at 20 °C Chemicals Lysozyme (SigmaAldrich Product #62971, BioChemika grade...

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

| Issue 11

Fuelling interest: climate change experiments

...water weighs 1.0 g. Measure the water temperature at the beginning of the experiment and clamp the beaker above the burner, leaving a space of about 5 cm between the...

Ages: 16-19;
Topics: Chemistry
     

| Issue 41

Editorial issue 41

...Earth and the Moon using radio signals, build your own particle accelerator or learn about the ripples in space-time caused by gravitational waves? Finally, we wish you all the best for...

Ages: not applicable;
Topics: Uncategorized

| Issue 1

Answers to comprehension questions

...energy uptake process usually needs a sensitiser (e.g. light-absorbing dissolved organic matter). This excited singlet 1O2 (one single arrangement in space for a pair of electrons) oxygen molecule is a...

Ages: not applicable;
Topics: Uncategorized
     

| issue 35

‘Eggsperiments’ for Easter

...use up oxygen from the air within the bottle, forming soot. A solid (soot) takes up less space than a gas (oxygen), so the pressure within the sealed bottle decreases....

Ages: <11, 11-14, 14-16, 16-19;
Topics: Physics
   

| Issue 36

Ready, set, infect!

...may mention the role of their immune system in the recovery process.  Store tables and chairs at the side of the classroom and clear enough space for students to walk...

Ages: 11-14;
Topics: Biology, Health, Teach
   

| Issue 16

Microscale chemistry: experiments for schools

...packets; these are cheap, can be reused several times and require little storage space. Below are instructions for some microscale experiments that we perform with 14- to 15-year-old students. Our...

Ages: 11-14, 14-16, 16-19;
Topics: Chemistry
         

| Issue 49

Science crosswords

...of an organic acid and an alcohol (5) 26. Particle from space (6,3) 28. Benjamin, the American who invented the lightning conductor (8) 31. Traditional name for the acid in...

Ages: 14-16, 16-19;
Topics: General science