8th Grade Science Flashcard: Earth’s Place in the Universe

Front

What is the shape of Earth's orbit around the Sun?

Back

Slightly elliptical path.

Front

Why do eclipses not occur every month?

Back

The Moon’s orbit is tilted.

Front

In which galaxy is Earth located?

Back

Milky Way.

Front

What causes the different seasons on Earth?

Back

Earth’s tilted axis.

Front

What force keeps planets in orbit around the Sun?

Back

Gravity.

Front

Define 'gravity'.

Back

A force that attracts two bodies towards each other, keeping planets in orbit.

Front

What is an eclipse?

Back

An event where one celestial body moves into the shadow of another celestial body.

Front

What is the difference between a solar eclipse and a lunar eclipse?

Back

A solar eclipse occurs when the Moon blocks the Sun, while a lunar eclipse occurs when the Earth blocks sunlight from reaching the Moon.

Front

What is the role of the Sun in the solar system?

Back

The Sun is the central star that provides light and heat, influencing the orbits of planets.

Front

What is the tilt of Earth's axis?

Back

Earth's axis is tilted at an angle of approximately 23.5 degrees.