Discovering Weather and Natural Disasters
Discovering Weather and Natural Disasters
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Discovering Weather and Natural Disasters
What do you already know about different kinds of weather?
Learning Objective
At the end of the lesson you will be able to describe different types of weather, explain how clouds and precipitation form, and understand the causes and effects of major natural disasters.
What is Weather?
Weather is what happens in the sky each day. It includes sunshine, rain, clouds, wind, and temperature.
Types of Weather
Common weather types are sunny, rainy, cloudy, and snowy. Some days might be windy or foggy too.
What Makes Weather Happen?
Air and Clouds
Air moves and forms clouds, bringing different weather.
The sun heats up the air and land, causing changes in weather.
Sun and Heat
What Are Clouds?
Clouds are made of tiny drops of water or ice. They float in the air.
How Do Clouds Form?
When warm air rises, it cools down. Water vapour turns into droplets and forms clouds.
Types of Clouds
Cumulus Clouds
Big and fluffy, found on sunny days.
Stratus and Nimbus
Stratus clouds look like blankets. Nimbus clouds bring rain.
What is Precipitation?
Precipitation is water that falls from clouds. It can be rain, snow, sleet, or hail.
How Does Rain Form?
Rain forms when water drops in clouds grow large and heavy. They fall to the ground as rain.
How Does Snow Form?
When it is cold, water vapour freezes into tiny ice crystals. They stick together and fall as snowflakes.
What Causes Cold Weather?
Cold weather happens when less sunlight reaches Earth, like in winter, or when cold air moves in.
Natural Disasters: Overview
Natural disasters are sudden events caused by nature. They include earthquakes, hurricanes, heatwaves, tsunamis, volcanoes, and extreme cold.
Types and Effects of Disasters
Very strong winds, high heat, or very cold weather can also cause problems.
Strong shakes, lava, big waves that can damage homes.
Hurricanes, Heatwaves, Extreme Cold
Earthquakes, Volcanoes, Tsunamis
How Can We Stay Safe?
Write down 3 things you learned in this lesson.
Write down 2 things you want to know more about.
Ask 1 question about something you haven't quite understood yet.
