At high altitude, the air becomes thinner, making it harder to breathe.

Climbing Equipment

To survive if you get lost, stay calm, find shelter, look for water, signal for help, and save your food.

Frostbite

When the weather is really warm, we feel heat.

The word we use to describe how hot or cold something is, is called temperature

tent

If the temperature suddenly falls to -10 degrees Celsius, people might pass out from the extreme cold.

become dehydrated

heat

If someone can't cope with the lack of oxygen at high altitudes, they might experience symptoms like dizziness, weakness, and even collapse.

If you stay outside in very cold weather for a long time, you could get frostbite, which means your skin and tissues freeze, and it can be very painful.

oxygen