Astronomy Preview Unit

Front

What is standard form in mathematics?

Back

Standard form is a way of writing numbers that are too big or too small to be conveniently written in decimal form. It is expressed as a number between 1 and 10 multiplied by a power of 10.

Front

Convert 3.97 x 10^-2 to standard form.

Back

0.0397

Front

What is an asteroid?

Back

A small rocky object that orbits a star.

Front

What is a satellite?

Back

An object that orbits a planet.

Front

What is the definition of science?

Back

A way to answer questions through observation and experimentation.

Front

What are protons?

Back

Positive particles of an atom.

Front

What is the difference between a planet and a star?

Back

A planet is a celestial body that orbits a star, while a star is a large, glowing ball of gas that generates heat and light through nuclear fusion.

Front

What is the role of gravity in astronomy?

Back

Gravity is the force that attracts two bodies towards each other, keeping planets in orbit around stars.

Front

What is the solar system?

Back

The solar system is a collection of celestial bodies, including the Sun, planets, moons, asteroids, and comets, that are bound by gravity.

Front

What is a comet?

Back

A small icy object that orbits a star, often exhibiting a visible atmosphere or tail when close to the Sun.