Air, Weather, and Water Concepts

This video is a science review of units 11 and 12, focusing on the importance of air and water for living things and the role of air in energy and weather phenomena. It covers vocabulary and concepts related to how air and water sustain life, the composition of air, and the impact of air movement on weather. The video also discusses renewable energy sources like wind energy and concludes with a checklist for students.

What are the two main units covered in this science review?

• Earth and Space

• Plants and Animals

• Water and Air

• Gifts for Living and Air in Action

Why do living organisms need air?

• To grow faster

• To breathe oxygen and expel carbon dioxide

• To stay warm

• To absorb sunlight

What is the primary reason humans need water?

• To stay hydrated and regulate body temperature

• To make food

• To breathe

• To see clearly

What percentage of the human body is made up of water?

• About 30%

• About 50%

• About 70%

• About 90%

What causes the air to move, leading to weather phenomena?

• The ocean

• The stars

• The sun

• The moon

Which of the following is NOT a type of storm caused by moving air?

• Tornado

• Earthquake

• Snowstorm

• Dust storm

What is the main focus of Unit 12?

• Water conservation

• Air in action

• Animal habitats

• Plant growth

What is a benefit of using wind energy over natural gas and coal?

• It is cleaner and renewable

• It is harder to produce

• It is more expensive

• It is less efficient

What devices are used to collect wind energy?

• Solar panels

• Windmills and turbines

• Hydroelectric dams

• Geothermal plants

Where can you find information about wind farms?

• In the video and CDs

• In the city

• In the desert

• In the ocean