Uses of Radiation

Engager GCSE Question

Self Marking

To know some of the uses of radiation Progress To evaluate the uses of different types of radioactive isotopes. To predict which isotope would be the best choice for its use.

To demonstrate good progress in this lesson Name Will… To evaluate the uses of different types of radioactive isotopes. To predict which isotope would be the best choice for its use. The Honley Learning Mindset Advocate for this lesson is… Matthew – will show resilience by not giving up if he finds something difficult.

What are the uses of radiation? Think, pair, Share In your pairs think of the different ways in which we can use radiation.

Some of the uses Radiation Smoke alarms Carbon dating Sterilisation Thickness control Medical uses

Uses Of Alpha Radiation. One of the most common uses is in fire alarms. An alpha source is used to charge the air, if the charge changes it is detected and an alarm goes off.

Radiation source Thickness Control – Job description The radiation will be passed through thin paper and monitored by the detector. This can then tell the hydraulic control if it needs to squeeze the paper more or less to keep to the correct thickness. Sterilisation – Job description The radiation will be used to kill microbes on surgical instruments and food. Checking Welding – Job description Radiation will be used test the quality of pipe welds. Source of radiation is placed inside the pipe and photographic paper wrapped around the weld. If there is any gap in the pipe, radiation gets through and shows up on the paper. Tracer – Job description The radiation will be used to detect leaks in oil pipes. Source of radiation is added to the oil and a detector is moved across the surface above. A leak is located to where an abnormally high amount of radiation is detected. .

Complete the worksheet on Radioactive decay Use the knowledge you have just gained to complete the worksheet on radiation. (5 minutes) Stretch – complete GCSE Q

Worksheet Complete the worksheet on uses of radiation.

Stretch - Worksheet Complete GCSE on uses of radiation.

Securing activity – complete the GCSE Question

Self Marking