Scientific Explanations for our World

The Big Bang

• Energy was turned to matter
• The Universe expanded
• Matter under the influence of gravity turned into galaxies, stars and solar systems
• Solar systems are still forming
• Life was formed out of cosmic dust

Natural Selection

• Some organisms have adaptations that give them a better chance of survival
• These advantages are passed on to their offspring
• Small changes led to new species being formed

How scientific explanations of the origins of the world may lead some people not to believe…