Study the process of endothermic reactions.
- Contains enough materials for 5 demonstrations
Study the process of endothermic reactions. The reaction is safely carried out in a plastic bag. The students can pass the bag around to feel the result of the reaction.
Delivery information: Includes 8 package×2 tablets Sodium bicarbonate/Citric acid tablets; 15 Plastic cups; 15 Stirring sticks; 15 Bags containing: 25g Ammonium nitrate, 1 tbsp Vermiculite.