Science Quiz

In 'direct current', the electrons

• move in only one direction

• move in both directions

• don't move at all

Helium gas can be found...

• only in liquid form

• in neither liquid nor solid form

• in both liquid and solid form

Adult giraffes remain standing...

• some of the day

• all day

• most of the day

Of all the water on our planet, ... is found underground.

• hardly any of it

• about half of it

• most of it

Snakes eat...

• only other animals

• either other animals or eggs

• either other animals or fruit

Diamonds can be destroyed...

• by either intense heat or acid

• by both intense heat and acid

• only by intense heat

The human brain can continue to live without oxygen for...

• nearly two minutes

• nearly six minutes

• a few hours

In our solar system, ...

• neither Pluto nor Neptune are now considered to be planets

• both Pluto and Neptune are considered to be planets

• Pluto is no longer considered to be a planet

When we breathe out, ...

• most of that air is oxygen

• none of that air is oxygen

• some of that air is oxygen

An individual blood cell makes a whole circuit of the body in...

• nearly 60 seconds

• nearly 45 seconds

• a few minutes