Christmas Review

Front

What is the primary element that makes up the Sun?

Back

Hydrogen.

Front

What is the second most abundant element in the universe?

Back

Helium.

Front

Which direction does an object move if it is pushed to the left?

Back

Left.

Front

What type of electromagnetic waves have the longest wavelengths?

Back

Radio waves.

Front

How does the abundance of hydrogen and helium support the Big Bang Theory?

Back

Hydrogen and helium are in the same ratio throughout the universe.

Front

What is the main source of energy for the Sun?

Back

Nuclear fusion of hydrogen into helium.

Front

What are the two main types of stars based on their composition?

Back

Hydrogen-rich stars and helium-rich stars.

Front

What is the significance of the electromagnetic spectrum?

Back

It categorizes all types of electromagnetic radiation based on wavelength and frequency.

Front

What is the relationship between wavelength and frequency in electromagnetic waves?

Back

Longer wavelengths correspond to lower frequencies.

Front

What is the Big Bang Theory?

Back

A scientific explanation for the origin of the universe, stating it began from a singular point and has been expanding.