Video Comprehension Questions on Heat Energy

Where does heat energy come from?

• The Moon

• The Sun

• The Earth

• The stars

Answer explanation

Heat energy primarily comes from the Sun, which emits solar radiation that warms the Earth and its atmosphere. While other celestial bodies contribute to heat, the Sun is the main source for our planet.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

What is one way we use heat energy in our daily lives?

• Writing

• Drying clothes

• Planting seeds

• Reading books

Answer explanation

One way we use heat energy in our daily lives is by drying clothes. Heat helps evaporate moisture from wet clothes, making them dry faster, which is a practical application of heat energy.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

How does the Sun help us on Earth?

• It gives us light and helps plants grow

• It makes it rain

• It creates wind

• It makes the Earth cold

Answer explanation

The Sun provides light, which is essential for photosynthesis, allowing plants to grow. This process is crucial for producing oxygen and food, supporting life on Earth.

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS1-6

What is one method of preserving food mentioned in the video?

• Freezing

• Drying in the Sun

• Boiling

• Keeping it in the fridge

Answer explanation

One method of preserving food mentioned in the video is freezing, which helps to maintain food quality and prevent spoilage by slowing down the growth of bacteria and enzymes.

How do we use heat energy when cooking?

• It cools our food

• It makes our food taste bad

• It cooks our food

• It keeps food raw

Answer explanation

Heat energy is essential in cooking as it transforms raw ingredients into cooked food, enhancing flavors and making them safe to eat. Therefore, the correct answer is that heat energy cooks our food.

Tags

NGSS.MS-PS1-4

What helps to remove wrinkles from clothes?

• A washing machine

• An iron

• A dryer

• A vacuum

Answer explanation

An iron is specifically designed to remove wrinkles from clothes by applying heat and pressure, making it the most effective choice among the options provided.

What do blacksmiths use heat for?

• To make food

• To heat water

• To shape metal

• To create electricity

Answer explanation

Blacksmiths use heat primarily to shape metal. By heating metal to high temperatures, they can easily mold and manipulate it into various forms, which is essential for creating tools, weapons, and other metal objects.

Tags

NGSS.MS-PS3-4

How do we keep our homes warm in the winter?

• By opening windows

• By using heaters or fireplaces

• By turning off the lights

• By wearing more clothes

Answer explanation

We keep our homes warm in winter primarily by using heaters or fireplaces, which provide direct heat. Opening windows would let cold air in, turning off lights does not affect temperature, and wearing more clothes is a temporary solution.

What is the purpose of a water heater?

• To cool down water

• To make water dirty

• To raise the temperature of cold water

• To freeze water

Answer explanation

The purpose of a water heater is to raise the temperature of cold water, making it suitable for various uses like bathing and cleaning. The other options do not align with the function of a water heater.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Why is heat energy important for life on Earth?

• It makes the Earth cold

• It helps living things stay warm

• It creates darkness

• It stops plants from growing

Answer explanation

Heat energy is crucial for life on Earth as it helps living things stay warm, enabling biological processes and maintaining ecosystems. Without adequate heat, organisms would struggle to survive.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3