Patterns in the Sky Review L1-2

Front

What is the North Star?

Back

The North Star, also known as Polaris, is a star located nearly directly above the North Pole, making it a fixed point in the night sky.

Front

Why does the North Star not appear to move in the night sky?

Back

Because Earth's northern axis is always pointed at it.

Front

How does light allow us to see objects?

Back

We can see objects when light reflected from their surface enters our eyes.

Front

How often does the Earth rotate on its axis?

Back

Once every day.

Front

What is the significance of viewing a complex system from multiple perspectives?

Back

It allows for better explanations and understanding of the system.

Front

Why does the Sun appear larger and brighter than the North Star?

Back

Because the Sun is closer to Earth.

Front

What is the role of light in visibility?

Back

Light must be reflected off an object and enter our eyes for us to see it.

Front

What is the relationship between the Earth’s rotation and day/night cycles?

Back

The rotation of the Earth on its axis causes day and night cycles.

Front

What is the definition of a star?

Back

A star is a massive, luminous sphere of plasma held together by gravity.

Front

What is the difference between a planet and a star?

Back

A planet orbits a star and does not produce its own light, while a star generates light and heat through nuclear fusion.