IGCSE Physics- Radioactivity

IGCSE Physics- Radioactivity

Objective: To revise the concepts of Radioactivity.

Learning outcome: At the end of the class you are expected reflect on the learning of the topic by participating in exit ticket.

Focused skill: Critical thinking

Open Ended

What do you understand by radioactive decay and half life?

Alpha Scattering

Explain the results of alpha scattering experiment.

Multiple Choice

A certain element has several isotopes.

Which statement about these isotopes is correct?

• They must have different numbers of electrons orbiting their nuclei.

• They must have the same number of neutrons in their nuclei.

• They must have the same number of nucleons in their nuclei.

• They must have the same number of protons in their nuclei.

Multiple Choice

Below are four statements about isotopes of a certain element.Which statement about the isotopes must be correct?

• They are radioactive.

• They are unstable.

• They have the same number of neutrons

• They have the same number of protons.

Multiple Choice

A particular nuclide has the symbol ₁₇C³⁷ . What is true for atoms of this nuclide?

• There are 17 nucleons in the nucleus.

• There are 17 protons in the nucleus.

• There are 37 electrons in the nucleus.

• There are 37 neutrons in the nucleus.

Multiple Choice

• 11.5 min

• 23.0 min

• 34.5 min

• 46.0 min

Open Ended

What have you learnt today? Please summarize and explain how you have achieved the learning outcome.

Poll

Exit Ticket:

What is the takeaway from the lesson today?

• I have understood the concept clearly

• I have understood the concepts with difficulty in some sub-parts of the topic

• I have a lot of difficulty in understanding the concepts. I need lot of revision.

Multiple Choice

• 11.5 min

• 23.0 min

• 34.5 min

• 46.0 min

Multiple Select

A nuclide has the symbol ₁₀Ne²². What are the number of neutrons in this nuclei?

• 12

• 10

• 11

• 22

Poll

Summarize the learning for today.

• I have understood the radioactivity concept and can solve questions with ease.

• I have understood the radioactivity concept but can solve question with some help.

• I have difficulty in understanding some of the concepts and I will be able to solve questions after clarifying my doubts.

• I have not understood the concepts clearly and have lot of difficulty in solving questions.