State the name of a region of the electromagnetic spectrum which has higher frequencies than visible light.

State the name of a region of the electromagnetic spectrum which has lower frequencies than visible light.

Electromagnetic waves of different types are travelling through a vacuum. Indicate the property that is different for these waves. Select one option:

• frequency
• speed
• charge

Select the correct statement about the propagation of electromagnetic waves. Select one option:

• They require a material medium to travel.
• They can travel through a vacuum.
• They can only travel through gases.

Select the correct statement about what all electromagnetic waves transfer. Select one option:

• They transfer electrical charge from one place to another.
• They transfer matter from one place to another.
• They transfer energy from one place to another.

State the type of electromagnetic radiation used: in a household microwave oven to cook or heat food.

State the type of electromagnetic radiation used: at airport security checkpoints to inspect the contents of luggage.