Unit 1: The Universe Study Quiz

What are the building blocks of minerals?

How many atoms of sodium (Na) are there in the formula for table salt (NaCl) ?

The brightness of a star, as seen from the Earth, is called its

Dark areas on the sun with cooler temperatures than the surrounding areas are called

What is the shape of a planet's orbit?

When stars are moving towards us they appear to be more of what color?

If the atomic number of an element is 6 and the mass number is 14, how many neutrons are contained in the nucleus?

The smallest particle of an element that still retains all the element's properties is a(n)...

Light cannot escape the intense gravitational pull of a

Law of Conservation of Energy states that energy is neither created nor destroyed.

All stars, regardless of size, eventually...

Which of the following affects the force of gravity between two objects?

The subtle changes in the color of starlight let astronomers find planets and measure the speeds of galaxies is called?

The main factor that affects the evolution of a star is its

Each planet revolves so that an imaginary line connecting it to the sun sweeps over equal areas in equal time interval

The reason the planets revolve around the sun is

Stars of which color have the coolest surface temperature?

Massive stars terminate in a brilliant explosion called a

A faint glow of light that fills the universe, falling on Earth from every direction with nearly uniform intensity is...

The farther away a galaxy is from us, the ____ it is moving from us.

The two characteristics of stars shown on an H-R diagram are absolute brightness and

The most common chemical element in most stars is

Light is electromagnetic radiation of any wavelength such as

Where are electrons found in atoms?

The Big Bang is responsible for the formation of two elements found in our universe, hydrogen and helium.

What movement of the Earth is responsible for night and day?

Earth is closest to the sun at a point called _______.

What is the atomic number of an element?

According to the ______ theory, the universe formed in an instant, billions of years ago, in an enormous explosion.