What phenomenon causes the sky to appear bright and blue during the day?

The scattering of sunlight by the atmosphere.

The Earth takes approximately ___ days to complete one revolution around the Sun.

365

What are the four primary directions used for navigation?

North, South, East, and West.

True or False: The Moon is a planet in our solar system.

False. The Moon is a natural satellite of Earth.

Fill in the blank: A tool called a ___ helps people find directions.

Compass

What are constellations and why are they significant in the night sky?

Constellations are groups of stars that form recognizable patterns; they help in navigation and storytelling.

Riddle: I change shape every few days and light up the night sky. What am I?

The Moon.

What causes the cycle of day and night on Earth?

The rotation of the Earth on its axis.

How does weather affect the appearance of the sky?

On sunny days, the sky is clear and blue; on cloudy or rainy days, it becomes grey or dark.

Explain the difference between rotation and revolution in terms of Earth's movement.

Rotation is the spinning of Earth on its axis, leading to day and night, while revolution is the orbit of Earth around the Sun, resulting in seasons.