10C2 rolling quiz 1

The least ionising type of nuclear radiation is

• alpha

• beta

• gamma

Alpha radiation is stopped by

• 5cm air

• 1m air

• no amount of air - it will keep going an unlimited distance in air

Beta radiation is stopped by

• 5cm air

• 1m air

• no amount of air - it will keep going an unlimited distance in air

How is radiation used to treat cancer?

• Radiation is used to stimulate the growth of cancer cells

• Cancer cells are bombarded with radiation and become inactive

• Cancer cells are burned up by radiation

• Radiation melts cancer cells

Radioactive tracers are useful in ____.

• calculating the ages of fossils 
• fueling nuclear reactions 
• determining medical problems 
• treating brain tumors 

An alpha particle is the same as

• a hydrogen atom

• a hydrogen nucleus

• a helium atom

• a helium nucleus

What do we mean when we say radiation 'ionises'

• It knocks electrons off atoms, causing their charge to change.

• It passes through atoms, not affecting the radiation or the particle.

Suggest way that a scientist can protect themselves against exposure when handling radioactive sources.

• Storing sources in a lead–lined box using tongs

• Goggles and gloves

• Tie hair back

Can you create energy?

• Yes
• No

Electrical Energy is transferred to _____ Energy.

• Thermal
• Solar
• Electrical
• None