Year 8
Year 8
Topic : Reaction of calcium and magnesium with water
Unit : 8 CHEMICAL REACTIONS
Learning objective: To understand the reaction of metals that reacts less vigorously with water
Topic:Reaction of calcium and magnesium with water
WELL BEING CHECK
Thought of the day
Topic:Reaction of calcium and magnesium with water
Previous Knowledge
Topic:Reaction of calcium and magnesium with water
Write down the general equation for the reaction between metal and water.
metal + water ==> metal hydroxide+
hydrogen
Starter Activity
Topic:Reaction of calcium and magnesium with water
Correct the following equation
Potassium+ water potassium dioxide +hydrogen
Learning Objective
To understand the reaction of metals that reacts less vigorously with water.
Topic:Reaction of calcium and magnesium with water
Lesson Objective:To understand the reaction of metals that reacts less vigorously with water.
Topic:Reaction of calcium and magnesium with water
Lesson Objective:To understand the reaction of metals that reacts less vigorously with water.
Watch the videos and answer the following questions:
1.Which is the gas given off in both reactions?
2.Which metal is more reactive ,calcium or magnesium?
Topic:Reaction of calcium and magnesium with water
Lesson Objective:To understand the reaction of metals that reacts less vigorously with water.
EXTENDED LEARNING-Reaction of magnesium with steam
When magnesium reacts with steam, magnesium oxide and hydrogen gas are produced.
THINK ! PAIR ! SHARE !
Why the reaction between steam and magnesium is more vigorous than between water and magnesium?
Topic:Reaction of calcium and magnesium with water
Lesson Objective:To understand the reaction of metals that reacts less vigorously with water.
Task Time
Topic:Reaction of calcium and magnesium with water
Lesson Objective:To understand the reaction of metals that reacts less vigorously with water.
Lesson Objective:To understand the reaction of metals that reacts less vigorously with water.
REAL LIFE APPLICATION
Topic:Reaction of calcium and magnesium with water
Lesson Objective:To understand the reaction of metals that reacts less vigorously with water.
Topic:Reaction of calcium and magnesium with water
Lesson Objective:To understand the reaction of metals that reacts less vigorously with water.
STUDENT CHALLENGE
Gold is an inert metal,what does it mean ?
Plenary
Name the gas produced during the reaction of magnesium with steam.
Magnesium + steam ->
Name 2 metals that do not react with water.
Topic:Reaction of calcium and magnesium with water
Lesson Objective:To understand the reaction of metals that reacts less vigorously with water.
Plenary
Home Learning
Compare the reactivity of metals with water and draw a chart by arranging the metals according to the reactivity of metal with water.
Topic:Reaction of calcium and magnesium with water
Lesson Objective:To understand the reaction of metals that reacts less vigorously with water.