L&L D7 L7

L&L D7 L7

The Big Bang

Compressed

Pushed together into a smaller space

Data

pieces of information or facts

that have been collected

Elements

A pure material made

from one type of atom

Evidence

a person, event, or thing

that makes something true

Expanding

To get bigger or spread out

Phenomenon

A fact or event that we can study

Theories

a reason for things

we study happening i.e. germ theory

Big Bang

a theory / belief of how the universe was started

This is a picture of the universe arround our solar system

The Milky Way looks like a big white streak in the sky from earth

Astronomers and scientists make observations to collect data

The Big Bang theory states that all matter came from a tiny speck that expanded into what the universe is now

Once the speck opened up everything started to unfold

Afterwards all matter swirled around until it crashed into each other and fused to make something new

Even now the universe is still expanding

This is what background microwave radiation looks like

Elements are the building blocks of the universe

You must finish the word work on your own

Multiple Select

Click all that are true: Before the Big Bang the universe was...

• All pushed into one speck

• Very hot

• Dense and full

• had lots of space

Multiple Choice

What is a theory?

• A big paragraph

• A word

• An explanation

• A group of scientists

Fill in the Blank

The Big Bang theory explains how the ________ was created.

Multiple Select

Scientists think the universe looked like ____ before the big bang.

• A ball

• As big as a house

• A hole

• A speck

Multiple Choice

At the very beginning of the Big Bang...

• Everything disappeared

• Everything Melted

• Everything was flung out

• Everything was cold