C7.1 / C7.2 Exothermic and Endothermic Reactions

Photosynthesis is an example of an ___________________ reaction

Organize these options into the right categories, Exothermic or Endothermic

Groups:

(a) Exothermic

,

(b) Endothermic

• thermal Decomposition

• Instant Heat Pack

• Photosynthesis

• Neutralisation

• Instant Ice Pack

• Combustion

Match the following

• Energy cannot be created or destroyed

• Exothemric Reaction

• Energy is released

• Conservation of energy

• Energy is absorbed

• Endothermic Reaction

Match the following

• The one you measure

• Independent Variable

• The one you change

• Dependent Variable

• The one you keep the same

• Control Variable

Organize these options into the right categories

Groups:

(a) Exothermic Reaction

,

(b) Endothermic Reaction

• Baking Bread
• Photosynthesis
• Cooking Pasta
• Evaporating Water
• Neutralization Reaction
• Explosion of Fireworks
• Melting Ice
• Respiration
• Instant Food Heating

• Combustion of Fuels

Endothermic reactions get​ (a)   as they absorb ​ (b)   from their surroundings

• cold
• energy
• hot
• particles

Click on the endothermic reaction

Click on the exothermic reaction

Label the equipment for the required practical

a

b

c

Thermometer

Beaker

Boiling tube

Polystyrene Cup

Plot the following points on the graph (x axis, time) (y axis, temperature).

(0,2)

(4,5)

(8,6)