Forces and Motion
What is a force?
A push or pull
What is DNA?
A molecule in all living organisms
What is a wave?
Something that moves energy from one place to another
What are the 3 main phases of matter?
Solid, gas and liquid.
What is natural selection?
the process whereby organisms better adapted to their environment tend to survive and produce more offspring.
What is motion?
Moving from one place to another
What is RNA?
RNA is a worker for the DNA
What is sound?
Sound is vibrations moving in a wavy motion
What are the two types of properties associated with matter?
Physical and chemical
What main animal did Darwin test his evolution ideas on?
15 species of birds on the Galapagos Islands
What causes motion to happen?
Force
List one of the 4 nucleotide in DNA
Adenine, Thymine, Cytosine, or Guanine
What does amplitude change in sound waves?
Volume
What state of matter is slime?
non-Newtonian liquid
Describe the concept "survival of the fittest"
those with favorable traits survive and pass on their genes to their offspring
List one of Newton's Laws of Motion
1. Object in motion will stay in motion
2. Force= mass X Acceleration
3. For every action, there is an equal and opposite reaction
What does RNA look like?
A single helix
What are lights?
Light is an electromagnetic wave our eye can see
Matter is made of ____ and _____
atoms and molecules
Ultimately, all living things can trace back its ancestry to _____.
What 2 things do you need to find force?
Mass and acceleration
If DNA makes RNA, what does RNA make?
Protein
What does amplitude change in light waves?
Amplitude changes brightness
Matter is everything that has ____ and occupies _____
mass, space
Darwin wrote his observations in his published writing _____
On the Origin of the Species