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What are More detail about the difference between solid liquid and gas?
Solids: they have fixed shape and fixed volume. They cannot be compressed much. They cannot flow. They do not fill their container completely. They have high density. They are heavy. Liquids: they have fixed volume but not fixed shape they take the shape of their container. They cannot be compressed much. They can flow. They do not fill their container completely. They have moderate to high density. Gases: they do not have fixed shape and volume. They can be compressed easily. They can flow. They fill their container completely. They have very low density.
What is do you mean by the terms umbra and penumbra?
The umbra is the fully shaded inner region of a shadow where no direct light reaches, while the penumbra is the partially shaded outer region where some light does reach. This difference in shading occurs when an object blocks light from a source, creating a shadow with varying degrees of darkness.
What are the Moon's umbra and penumbra?
The Moon's umbra is the central, darkest part of its shadow during a lunar eclipse where the Sun is completely blocked. The penumbra is the outer, lighter part of the shadow where only a portion of the Sun is obscured, creating a partial eclipse.
Is a spiral a shape?
Yes, a spiral is a shape that curves around a central point or axis in a continuously widening or tightening manner. It can be found in nature, mathematics, and art.
What does completely filled mean?
"Completely filled" means that a container or space has been packed to its maximum capacity without any empty spaces remaining.
