midterm exam

Front

What is Newton's Third Law of Motion?

Back

For every action, there is an equal and opposite reaction.

Front

What are the products of photosynthesis?

Back

Glucose and oxygen.

Front

How many magnesium atoms are in 10MgCl2?

Back

10

Front

What is the definition of a star?

Back

A massive, luminous celestial body made of plasma that produces light and heat through nuclear fusion.

Front

What is the full moon phase?

Back

The phase of the moon when it is fully illuminated as seen from Earth.

Front

What is the average distance of Alpha Centauri from Earth?

Back

4 light-years.

Front

What is the role of sunlight in photosynthesis?

Back

Sunlight provides the energy needed for plants to convert carbon dioxide and water into glucose and oxygen.

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.

Front

What is the significance of the Milky Way galaxy?

Back

It is the galaxy that contains our solar system and billions of other stars.

Front

What is the definition of a chemical compound?

Back

A substance formed when two or more elements are chemically bonded together.