Flame Tests are one of my favourite topics. Explaining the colours of fireworks to year 8 in an online lesson.
Crimson Lithium
Lilac Potassium
Yellow Sodium
Red Strontium
Apple Green Barium
Green Boron
Blue Green Copper
This is an online lesson that shows acceleration due to gravity using the @pascoscientific light gate and a picket fence. It works very ac...
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