Matter
What is matter?
Anything that has mass and takes up space
What are the 3 common states of matter?
Solid, Liquid, Gas
Name a form of energy
Heat, light, electricity, chemical, etc.
What is a mixture?
A combination of two or more substances that are not chemically bonded.
What percentage of the universe is made of regular energy and matter?
5%
What is the smallest unit of matter?
An atom
What state of matter has a definite shape and volume?
Solid
What percentage of the universe is made of dark matter?
25%
Name the two types of mixtures.
Homogeneous and heterogeneous mixtures.
What are the four components of the universe?
Matter, energy, dark matter, and dark energy.
Give an example of matter you encounter every day.
table, air, water, chair, etc. (pretty much everything)
What happens when matter melts?
It turns from a solid to a liquid
What is dark energy?
A force that is causing the universe to expand.
What is a heterogeneous mixture?
A mixture where you can see the different parts.
What force is believed to cause the universe to expand?
Dark Energy
What is mass?
The amount of matter in an object
What is condensation?
When a gas changes state into a liquid
How does dark matter affect other objects in space?
Dark matter exerts gravity and pulls objects towards it
What is a solution?
A homogeneous mixture where one substance is dissolved in another.
What is the difference between dark matter and regular matter?
Dark matter cannot be seen but exerts gravity; regular matter can be observed directly.
How is matter different from energy?
Matter has mass and takes up space, energy does not have mass or volume
What is deposition?
When a gas changes state into a solid
How do we know that dark energy exists?
It changes the colour of light as is passes through certain areas in space
Give an example of a colloid.
Milk, mayonnaise, whipped cream, butter
Why do scientists believe there is so much more to discover in the universe?
Because 95% of the universe is made up of dark matter and dark energy, which we still don't fully understand.