Weather
Science - Third Grade
What is Weather?
Multimedia Lesson
What is Weather?
Presentation
What is Weather?
Presentation
Weather Station
Virtual Lab
Identifying Weather Instruments
Interactive
Landforms Interactive Matching Activity
Interactive
Weather
Study Guide
What is Weather?
Quiz
Weather
Quiz
What is Weather?
Flash Cards
Weather
Flash Cards
What is Weather?
Worksheet
Weather
Worksheet
What is Weather?
Game
Weather
Game
What is Weather?
Vocabulary List
Weather
Vocabulary List
What is Weather?
Flip Chart
Who studies weather?
Flip Chart
Types of Clouds
Flip Chart
Precipitation & Humidity
Flip Chart
Air Temperature & Pressure
Flip Chart
Wind Speed & Direction
Flip Chart
Investigating Weather
Flip Chart
What is Weather Vocabulary
Flip Chart
Study Guide Weather
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WEATHER What is the weather like outside? Weather is the condition of the air outside. Weather involves many things, such as clouds, temperature, water in the air, and the wind. There are several different types of clouds. Different clouds cause different kinds of weather. A meteorologist is a person that studies the weather. Meteorologists use many tools to help them predict the weather. One important thing they look at when doing so is the atmosphere, which is the air all around us. The Earth’s atmosphere has different layers that are made up of gases. Lesson Checkpoint: What is a meteorologist? © Copyright NewPath Learning. All Rights Reserved. Permission is granted for the purchaser to print copies for non-commercial educational purposes only. Visit us at www.NewPathLearning.com.
Air Pressure Affects the Weather The Earth’s atmosphere also has weight, which presses down onto the Earth which creates air pressure. When the air in the atmosphere presses down a lot, it is known as HIGH air pressure. When the air in the atmosphere presses down just a little, that is known as LOW air pressure. © Copyright NewPath Learning. All Rights Reserved. Permission is granted for the purchaser to print copies for non-commercial educational purposes only. Visit us at www.NewPathLearning.com.
Air pressure affects the weather. LOW air pressure causes clouds to form and often rain. HIGH air pressure means it will most likely be sunny and the skies will be clear. Air pressure is measured with a barometer. Lesson Checkpoint: What type of weather does HIGH air pressure usually bring? Tools of the Trade Meteorologists also use tools to predict the weather, such as wind vanes to help measure the direction of the wind and they use instruments to measure wind speed. Meteorologists use a hygrometer to measure the amount of water vapor in the air which tells them how high the humidity will be. When the humidity is low, there is little water vapor in the air. When the humidity is high the air has a lot of water vapor in it. Meteorologists use a rain gauge to measure the amount of rainfall. Meteorologists use weather maps to show what the weather will be like in large areas of the world. © Copyright NewPath Learning. All Rights Reserved. Permission is granted for the purchaser to print copies for non-commercial educational purposes only. Visit us at www.NewPathLearning.com.
Weather maps will often show your local temperatures as well as air pressure movements to let you know if you have cloudy or clear skies coming your way. Lesson Checkpoint: What tool does a meteorologist use to measure the amount rainfall that has fallen? Out of This World Weather satellites in space gather information from all around the world. These satellites take pictures from high above and send the pictures back to computers so that scientists and meteorologists can predict the upcoming weather in all areas. The weather can also affect the pollution in many areas. A lot of pollution comes from the exhaust of cars which stays in the air causing the pollution to be high in particular areas. © Copyright NewPath Learning. All Rights Reserved. Permission is granted for the purchaser to print copies for non-commercial educational purposes only. Visit us at www.NewPathLearning.com.
Weather follows certain patterns. Depending on where you live, the pattern of your weather may differ from the weather of some place else on Earth. How much rain and snowfall you get (if any) often has to do with where you live. Areas near large bodies of water have different weather patterns than those areas that are very far away from the water. The average temperature will vary depending on where you live too If you live closer to the equator, in Mexico or northern Africa for example, you will have warmer temperatures for many more days than those who live up far from the equator. Weather can be extremely dangerous and powerful, causing great damage to places on Earth. A hurricane is a storm called that forms over oceans that bring winds reaching over 74 miles/119 kilometers per hour. Hurricanes can be predicted before they strike land so people have time to prepare for the damaging storm. A tornado is a funnel shaped column of air that touches the ground destroying anything in its path. It is smaller but has heavier winds than a hurricane. Tornadoes form over land under storm clouds without warning, giving people no time to prepare for the damage they can cause. © Copyright NewPath Learning. All Rights Reserved. Permission is granted for the purchaser to print copies for non-commercial educational purposes only. Visit us at www.NewPathLearning.com.
Lesson Checkpoint: What is one difference between a hurricane and a tornado? A blizzard is a winter storm that brings a lot of snowfall, blowing winds, and cold temperatures. The National Weather Services sends out watches and warnings on extreme weather to help keep you safe. A storm WATCH means a storm may happen in your area and WARNING means a storm is in or near the area in which you live. Lesson Checkpoint: What is the difference between a weather watch and a warning? © Copyright NewPath Learning. All Rights Reserved. Permission is granted for the purchaser to print copies for non-commercial educational purposes only. Visit us at www.NewPathLearning.com.
Table Of Contents: What is Weather?
1. Lesson Objectives
2.1. What is Weather?
2. Engage
3.1. What is weather?
3.2. Clear Skies and Sunshine
3.3. Wind and Rain
3.4. Snow and Cold
3. Explore
4.1. Describing Weather
4.2. Weather Change - Temperature
4.3. Weather Change- Storm
4.4. Cold Weather
4.5. Warm Weather
4. Explain
5.1. Our Atmosphere
The Earth is surrounded by a blanket of gases which makes up our atmosphere. Oxygen and water vapor are two types of gases in the atmosphere.
5.2. Water on Earth
Water covers most of the Earth's surface.
5.3. The Water Cycle
Water constantly moves from the Earth's surface into the air and back again. This process is called the water cycle.
5.4. States or Forms of Water
Sunlight provides the energy for water to move through the water cycle. Water changes form when it is heated or cooled. Water can exist as a solid (ice), liquid, or a gas (water vapor).
5.5. Evaporation
Heat from the Sun causes liquid water on the Earth's surface to change to water vapor or gas. This is called evaporation.
5.6. Condensation
As this water vapor rises into the air, it cools causing the vapor to turn into tiny water droplets and form clouds. This change is called condensation.
5.7. Precipitation
As these tiny water droplets in the clouds join together they grow too heavy and fall to Earth as rain, snow, sleet or hail. This process is called precipitation.
5.8. Water Cycle Terms
5.9. What is Weather?
Weather is what the air is like outside at any one place and time. Weather is a combination of the types of clouds in the sky, air temperature, the amount of water in the air, and wind.
5.10. Who studies weather?
Scientists who study the weather are called meteorologists.
5.11. Measuring Weather Conditions
Meteorologists use various tools to measure weather conditions and predict future weather.
5.12. Sky Condition
Sky condition is observed using your eyes. The sky can be sunny, partly cloudy, or cloudy.
5.13. Types of Clouds
The types of clouds in the sky can tell us the kind of weather we will have.
5.14. Types of Clouds - Cirrus Clouds
Cirrus clouds are thin and form high up in the atmosphere. They often tell us that the weather is about to change.
5.15. Types of Clouds - Cumulus Clouds
Cumulus clouds are fluffy and look like pieces of floating cotton. They usually predict fair weather, unless they form into stormy cumulonimbus clouds.
5.16. Types of Clouds - Stratus Clouds
Stratus clouds are smooth, gray clouds in layers that cover the entire sky. Sometimes they produce a light rain or snow.
5.17. Cloud Types
5.18. Precipitation
Water that falls to the ground from the clouds is precipitation. Precipitation can be in the form of rain, snow, sleet or hail depending on the air temperature between the clouds and the ground. A rain gauge is used to measure how much water has fallen.
5.19. Measuring Rainfall
5.20. Humidity
Humidity is the amount of water vapor in the air. The air feels dry when the humidity is low and damp when the humidity is high. A hygrometer is used to measure the amount of water vapor in the air.
5.21. Measuring Humidity
5.22. Air Temperature
Air temperature is how hot or cold the air is. Temperature is measured in degrees Celsius (oC) or degrees Fahrenheit (oF), using a thermometer.
5.23. Measuring Air Temperature
5.24. Air Pressure
The air in the atmosphere is pulled toward the Earth's surface by gravity. The weight of the air pushing down on the Earth's surface is the air (barometric) pressure. A barometer is a tool used to measure air pressure.
5.25. Measuring Air Pressure
5.26. Wind Speed and Direction
Air that moves from one area to another is called wind. Differences in air pressure and heat from the Sun cause winds.
5.27. Wind
A wind meter (anemometer) is used to measure how fast the wind blows. A wind vane shows the wind direction from which the wind is blowing.
5.28. Measuring Wind Speed and Direction
5.29. Identifying Weather Instruments
5.30. What is Weather?
5. Elaborate
6.1. Investigating Weather
6.2. Weather Station
6.3. Write a Weather Report
6.4. Weather Station
6. Evaluate
7.1. What is Weather?
7. Lesson Summary
8.1. What is Weather?
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