Quarter 1 Final

There are ____ big pieces of evidence for the Big Bang Theory.

Which statement explains the Big Bang?

What particles make up an atom's mass number?

Hydrogen and Helium atoms were first formed because they had the MOST protons.

What type of charge does a electron have?

Which elements formed shortly after the Big Bang? 

A sound/light wave traveling away from you is ___________. 

800 cm = ______ m

Clusters of stars formed 100 million years after the Big Bang eventually became galaxies.

What type of charge does a neutron have?

Which words describe the universe when it was less than one second old? 

The first stars were formed __________ years after the Big Bang. 

When sound waves are moving away you, the sound gets _____.

How many years did the "Dark Period" last? 

Giant clouds of gas and dust later became ________.

When sound waves are moving toward you, the sound gets _____.

This was the superfast expansion of energy and space.

8.386kg= _______ g

About 99% of the ___________ is composed of Helium and Hydrogen. 

The Big Bang Theory is an explanation for ____________.

How many protons are in this element?

4m = ________ cm

Which of these things existed before the Big Bang? 

Using the image below, which galaxy has the most red shift?

19,308 mL= ________ L

How many electrons are in this element?

What type of charge does a proton have?

Why do scientists accept the Big Bang theory?

Three seconds after the Big Bang there were stars in the universe.

Using the image below, which galaxy has the most blue shift?

Scientists have estimated the Big Bang happened ____________.

It took how many minutes for the first atomic nuclei to form? 

Which is NOT a piece of evidence for the Big Bang?

You have to accept and believe the Big Bang Theory.

How many neutrons are in this element?

90mm= ________ cm

2 cm = _____ mm

Redshift is evidence that the universe is…

What particles make up the nucleus of an atom?