Chemical reactions

Pandora Sifnioti

This Inquiry Learning Space is designed for young Chemistry students of lower secondary school (12-15 years old) and aims at introducing the pH concept and scale.

It is based on a pHET simulation which is simple to use and involves the... read more

Language: 
English
Age range: 
14-16

How do you know if a chemical equation is balanced? What can you change to balance an equation? Play a game to test your ideas!

Primary aims of the lab:

  • Balance a chemical equation.
  • Recognize that the number of atoms
  • ...Read more
Lab owner: 
Chris Malley,
Emily Moore,
Kathy Perkins,
Kelly Lancaster,
Patricia Loeblein,
PhET Interactive Simulations,
Robert Parson
Language: 
English, German, French, Italian, Spanish, Polish, Dutch, Hungarian, Portuguese, Greek, Swedish, Czech, Bulgarian, Slovak, Danish, Finnish, Slovene, Croatian, Latvian, Basque, Russian, Turkish, Chinese, Hindi, Bosnian, Serbian
Age range: 
10-12, 12-14

"The thicker the glass, the darker the brew, the less the light that passes through." Make colorful concentrated and dilute solutions and explore how much light they absorb and transmit using a virtual spectrophotometer!

...Read more

Lab owner: 
Chris Malley,
Julia Chamberlain,
Kathy Perkins,
Kelly Lancaster,
PhET Interactive Simulations
Language: 
English, German, French, Italian, Spanish, Polish, Dutch, Hungarian, Portuguese, Greek, Slovak, Danish, Finnish, Estonian, Latvian, Basque, Russian, Arabic, Turkish, Chinese, Hindi, Bosnian, Serbian
Age range: 
12-14, 14-16
Go-lab approved

Bond (from bonding in chemistry) helps students learn about solubility and precipitation of salts. Bond contains a database with thousands of salts and the most common ions, with information about solubility and colours. The setup is similar to...Read more

Lab owner: 
Anjo Anjewierden,
Ellen Wassink-Kamp,
Wil Gradussen
Language: 
English, German, Spanish, Polish, Dutch, Hungarian, Portuguese, Greek, Finnish, Estonian, Catalan, Russian, Turkish, Chinese
Age range: 
14-16

Test the pH of things like coffee, spit, and soap to determine whether each is acidic, basic, or neutral. Visualize the relative number of hydroxide ions and hydronium ions in solution. Switch between logarithmic and linear scales. Investigate...Read more

Lab owner: 
Archie Paulson,
Chris Malley,
Jack Barbera,
Kathy Perkins,
Laurie Langdon,
Patricia Loeblein,
PhET Interactive Simulations,
Wendy Adams
Language: 
English, German, French, Italian, Spanish, Polish, Dutch, Hungarian, Portuguese, Greek, Swedish, Czech, Bulgarian, Slovak, Danish, Finnish, Slovene, Estonian, Croatian, Latvian, Russian, Arabic, Turkish, Chinese, Hindi, Bosnian, Serbian
Age range: 
12-14, 14-16, 16-18, >18

What determines the concentration of a solution? Learn about the relationships between moles, liters, and molarity by adjusting the amount of solute and solution volume. Change solutes to compare different chemical compounds in water.Read more

Lab owner: 
PhET Interactive Simulations
Language: 
English, German, French, Italian, Spanish, Polish, Dutch, Hungarian, Portuguese, Greek, Swedish, Slovak, Danish, Finnish, Estonian, Latvian, Basque, Russian, Arabic, Chinese, Bosnian, Serbian
Age range: 
12-14, 14-16

How do strong and weak acids differ? Use lab tools on your computer to find out! Dip the paper or the probe into solution to measure the pH, or put in the electrodes to measure the conductivity. Then see how concentration and strength affect pH....Read more

Lab owner: 
PhET Interactive Simulations
Language: 
English, German, French, Italian, Spanish, Polish, Dutch, Hungarian, Portuguese, Greek, Swedish, Czech, Slovak, Danish, Finnish, Slovene, Estonian, Croatian, Latvian, Basque, Russian, Arabic, Turkish, Chinese, Japanese, Hindi, Bosnian, Serbian
Age range: 
12-14, 14-16
Go-lab approved

Methyl orange is an orange, azoic dye and is used as pH-indicator, with a transition range from 3.1 to 4.4, as well as for dyeing and printing textiles. In this remote lab students can examine the synthesis of methyl orange.
One of the aims...Read more

Lab owner: 
Hans van Dijk
Language: 
English
Age range: 
14-16, 16-18

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