Energy in Homes
What does sunlight do to a house?
Sunlight heats up a house and can cause materials to fade or wear out over time.
What is climate?
Climate is the average weather in a place over a long period of time.
What part of the body controls actions?
The brain controls actions.
What happens to shadows during the day?
Shadows change length and direction during the day as the Sun moves across the sky.
What do plants need to survive?
Plants need sunlight, water, air (carbon dioxide), and nutrients from soil to survive.
What are overhangs used for?
Overhangs are used to block sunlight and provide shade, helping keep a house cooler.
What type of climate is hot and wet all year?
A tropical climate is hot and wet all year.
What do nerves do?
Nerves send messages between the brain and the rest of the body.
When are shadows shortest?
Shadows are shortest around noon, when the Sun is highest in the sky.
What happens during a drought?
During a drought, there is very little or no rainfall, which can dry up water sources and harm plants and animals.
How can windows affect temperature inside a house?
Windows can let heat in or out, making a house warmer or cooler depending on sunlight and insulation.
How is weather different from climate?
Weather is the day-to-day conditions (like rain or temperature), while climate is the average weather over a long time.
What is the role of the spinal cord?
The spinal cord carries messages between the brain and the rest of the body and helps control reflexes.
Why do shadows change direction?
Shadows change direction because the Sun moves across the sky, changing the angle of the light.
Which plants survive best with little water?
Drought-tolerant plants, like cacti and succulents, survive best with little water.
How can a house stay cool in summer?
A house can stay cool in summer by blocking sunlight, using shade (like overhangs), and having good insulation or airflow.
How do temperature and precipitation help identify climate?
Temperature and precipitation help identify climate by showing how hot or cold it is and how much rain or snow falls over time.
How does the brain send signals to the body?
The brain sends signals through the spinal cord and nerves, which carry messages to different parts of the body.
What causes day and night?
Day and night are caused by the Earth rotating on its axis, so different parts face toward or away from the Sun.
Why might animals leave a garden during drought?
Animals might leave a garden during a drought because there is not enough water or food to survive.
Design a house that stays warm in winter and cool in summer using sunlight.
A house can stay warm in winter and cool in summer by using sunlight wisely:
This way, the house uses sunlight for warmth but avoids overheating.
Analyze data to determine a country’s climate type.
To determine a country’s climate type, look at temperature and precipitation data over time:
These patterns help identify the climate.
Explain the path of information when a dog sees something and reacts?
When a dog sees something, its eyes send a message to the brain, the brain processes it, and then sends signals through the spinal cord and nerves to the muscles so the dog can react.
Explain how Earth’s movement changes shadow length and direction
Day and night are caused by the Earth rotating on its axis, so different parts face toward or away from the Sun.
Explain how changing plants in an ecosystem affects animals.
Changing plants in an ecosystem affects animals because animals rely on plants for food, shelter, and oxygen, so removing or adding plants can help or harm them.