REACTIONS OF THE GROUP 1 ELEMENTS WITH WATER " Periodic Table"
All the alkali metals react vigorously with cold water. In each reaction, hydrogen gases given off and the metal hydroxide is produced. The speed and violence of the reaction increases as you go down the group. This shows that the reactivity of the alkali metals increases as you go down Group 1.
How does Sodium React with Water?
Sodium melts and forms a floating ball of metal which fizzes
.as it moves over the surface of the water giving off hydrogen gas
How does Potassium React with Water?
Potassium is the most reactive. It melts, reacts vigorously and burns
with a lilac flame as it gives off hydrogen gas. Potassium is dangerous and can explode when it comes into contact with water.
مشروع الطالب الالكتروني
Students can use this quiz to evaluate themselves.
State the rules for current and voltage (potential difference) in a series circuit.
Construct a circuit to measure the resistance of a component.
Use a circuit diagram or measurements from a simple series circuit to calculate values of current, voltage and resistance
Baseline Test for Grades 7 and 8
Your students will receive complete report in their emails
This report shows " user' response " and " correct answer"
Explain the body’s defenses against infectious diseases.
Identify the causes of infectious disease.
Explain how infectious diseases are spread.
List at least 3 ways that infectious diseases can be prevented.
PowerPoint presentation + Traffic Light Game
1- Cut cards.
2- Make groups.
4- Paste cards and make your traffic light.
Now, Your students can evaluate themselves and get the result.
An interactive quiz with 40 questions cover all skills in " periodic table " lesson.
This is an executable file format "exe" run as flash file.
This video tries to find answers to some questions:
Are we destroying our environment?
What is an ecosystem?
What are some human activities that destroy the environment?
What is poaching?
How does poaching affect the environment?
Which organisms does it hurt?
By this game students can learn how to identify the elements according their Atomic number and Mass number.
How to use this activity in classroom:
2- Cut cards.
3- Put cards inside envelopes.
4- One envelope for one group of students.
5- Students try to put cards in sequence.
Available in 4 different colors.