Universe Basics
Define matter
Anything that has mass and takes up space.
What is the charge of a proton?
Positive (+)
What is a mixture?
A physical combination of substances with no chemical bonding.
What is the atomic ratio in CO₂?
1 carbon : 2 oxygen
Finish the lyric "The hills are alive...."
What is energy?
The ability to cause change or do work.
Where are electrons found?
In orbitals around the nucleus.
What is a compound?
Two or more elements chemically bonded in a fixed ratio.
What elements are in CaCl₂?
Calcium and chlorine.
What year was the battle of San Jacinto?
1836
What is intelligence?
The order, design, and laws that the universe follows.
What particle determines the identity of an element?
Protons.
Give an example of a mixture.
Trail mix, air, sand and salt.
What is the ratio in Al₂O₃?
2 aluminum : 3 oxygen
What animal is on the flag of California?
A bear
What is the difference between scientific fact and truth?
Scientific facts can change with new evidence; truth does not change.
Why is the nucleus so dense?
It contains protons and neutrons, which have almost all the atom’s mass.
Why do compounds always have the same ratio?
Because they form through chemical bonding, which creates a set structure.
What is the ratio in Na₂S?
2 sodium : 1 sulfur
What is the most common password in the world?
123456
Give an example of matter, energy, and intelligence.
Matter: desk or air
Energy: light or heat
Intelligence: laws of nature, design, order
Compare a proton and an electron.
Proton: positive charge, in nucleus, large mass.
Electron: negative charge, outside nucleus, very small mass.
Why can mixtures be separated but compounds cannot?
Mixtures are physical combinations, while compounds are chemically bonded.
What is the atomic ratio in NH₃?
1 nitrogen : 3 hydrogen
What bird can fly backward?
Hummingbird