The Earth is the third planet from the Sun.

• True

• False

All living organisms are made up of only one cell.

• True

• False

Water boils at 100°C under normal atmospheric conditions.

• True

• False

Photosynthesis occurs in the mitochondria of plant cells.

• True

• False

The heart pumps oxygen-rich blood to the body through arteries.

• True

• False

Friction is a force that speeds up moving objects.

• True

• False

The Moon produces its own light.

• True

• False

Sound travels faster in solids than in gases.

• True

• False

An ecosystem includes both living and non-living components.

• True

• False

Metals are generally good conductors of heat and electricity.

• True

• False