Did You Know?
Some roofs are made of grass!
Types of Roofs
Some roofs are flat, some are sloped.
Roof Materials
Roofs can be made of wood, metal, or tiles.
What roof Does
A roof keeps rain out.
A roof keeps snow off too.
A roof keeps the sun away.
A roof helps keep us warm.
A roof can look nice.
A roof helps keep us safe.
More About Roof
Long ago, roofs were made of straw or leaves. People used what they had. Now, we have many more choices. We can use metal, wood, or tiles.
Roofs help us every day. They keep us dry and warm. When it rains or snows, we are safe inside. We can play and sleep without worry.
In the future, roofs may be even better. They might help save energy. Some roofs can even grow plants!
How Topics Connect
graph TD
A["Roof"] --> B["Top Covering"]
A --> C["Building Envelope"]
B --> D["Materials"]
B --> E["Construction"]
D --> F["Protection Against Elements"]
E --> G["Support Structure"]
F --> H["Rain, Snow, Sunlight"]
F --> I["Temperature, Wind"]
What Do These Words Mean?
roof:the top part of a building that covers it
materials:substances used to make something
constructions:the way something is built
envelope:the outer layer or covering of a building
protection:keeping something safe from harm
