Ontario Grade 9 Science Class Practice Exam

What is a meteor?

1. A comet passing by Earth

2. A piece of a planet

3. A moon landing on Earth

4. A streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere

The correct answer is: A streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere

A A comet passing by Earth - This is incorrect because while both meteors and comets can produce streaks of light in the sky, comets are actually made of ice and dust, while meteors are solid pieces of rock or metal. B: A piece of a planet - This is incorrect because meteors are typically small pieces of debris from space, not large chunks of a planet. C: A moon landing on Earth - This is incorrect because a moon landing refers to a spacecraft landing on the surface of the moon, not something falling to Earth. D: A streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere - This is the correct answer. Meteors are small pieces of debris from space that enter Earth's atmosphere and burn up, creating a bright streak of light in the sky. They are often referred to as "