Science worksheet on tornadoes featuring a labeled diagram and fill-in-the-blank questions about tornado formation.

Task: Solve the problem and explain the solution

#### Part I: Label the following diagram

The diagram illustrates the structure of a tornado. Below are the labels for each part of the diagram, based on the provided options:

1. Top left (above the cloud):
- Label: "cold air"
- Explanation: Cold air is typically found above warm air in a thunderstorm, contributing to the instability needed for tornado formation.

2. Top right (above the cloud):
- Label: "rain"
- Explanation: Rain is often present in the upper parts of a tornado system as moisture condenses and falls.

3. Middle left (near the funnel base):
- Label: "upward current"
- Explanation: The upward current is the rising motion of warm air that helps form the tornado's funnel.

4. Middle right (near the funnel base):
- Label: "warm air"
- Explanation: Warm air rises from the ground level into the storm, providing energy for the tornado.

5. Bottom left (ground level):
- Label: "ground level"
- Explanation: This indicates the surface where the tornado makes contact with the ground.

6. Bottom right (inside the funnel):
- Label: "eye of the storm"
- Explanation: The eye of the storm is the calm center of the tornado, where there is little to no wind or precipitation.

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#### Part II: Fill in the blanks to explain what the tornado is and how it occurs

The blanks need to be filled using the provided words:
- column
- upwards
- thunderstorm
- cold & dry air
- warm & moist air

Here is the completed sentence:

> A tornado is a violent and rotating column of air between a thunderstorm and the ground. Tornadoes occur when cold & dry air blows over warm & moist air. The warm air spins upwards and forms a tornado.

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Explanation of the Solution

#### Part I: Diagram Labels
1. Cold Air:
Cold air is denser than warm air and is usually found above the warm air in a thunderstorm. It plays a crucial role in creating the instability needed for tornado formation.

2. Rain:
Rain is a common feature in thunderstorms and tornado systems. It forms as moisture in the air condenses and falls back to the ground.

3. Upward Current:
The upward movement of warm air is essential for tornado formation. This rising air creates a low-pressure area that can lead to rotation and the development of a funnel.

4. Warm Air:
Warm air near the ground rises due to convection. As it rises, it cools and condenses, releasing energy that fuels the storm.

5. Ground Level:
This is the surface where the tornado makes contact, causing damage to structures and the environment.

6. Eye of the Storm:
The eye is the calm center of the tornado, characterized by low pressure and minimal wind or precipitation.

#### Part II: Explanation of Tornado Formation
1. Column:
A tornado is essentially a rotating column of air extending from the base of a thunderstorm to the ground.

2. Thunderstorm:
Tornadoes form within severe thunderstorms, which provide the necessary atmospheric conditions for their development.

3. Cold & Dry Air:
When cold, dry air moves over warm, moist air, it creates an unstable atmosphere. The cold air acts like a lid, trapping the warm air below and leading to rapid upward movement.

4. Warm & Moist Air:
Warm, moist air near the ground rises rapidly due to convection. As it rises, it cools and condenses, releasing latent heat that further fuels the storm.

5. Upwards:
The warm air spins upwards due to the Coriolis effect (caused by Earth's rotation) and the interaction between the cold and warm air masses, forming the tornado's funnel.

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Final Answer:

#### Part I: Labels
1. Top left: cold air
2. Top right: rain
3. Middle left: upward current
4. Middle right: warm air
5. Bottom left: ground level
6. Bottom right: eye of the storm

#### Part II: Sentence
A tornado is a violent and rotating column of air between a thunderstorm and the ground. Tornadoes occur when cold & dry air blows over warm & moist air. The warm air spins upwards and forms a tornado.

Final Answer Box:
\boxed{
\text{Part I: cold air, rain, upward current, warm air, ground level, eye of the storm}
}
\boxed{
\text{Part II: column, thunderstorm, cold & dry air, warm & moist air, upwards}
}