Biology
What is the main function of the cell membrane?
Controls what enters and leaves the cell
What is an atom?
Smallest unit of an element
What causes seasons?
Earths tilted axis as it revolves
What organelle is responsible for producing energy in a cell?
The Mitochondria
3 main subatomic particles?
protons, neutrons, electrons
What causes day and night?
Earths rotation on its axis
What is the difference between a plant and animal cell?
Cell walls, Chloroplasts
What is the difference between weather and climate?
Weather is short term, climate is long term
What are the four main types of biological macromolecules?
Carbohydrates, lipids, proteins, nucleic acids
What does the pH scale measure?
How acidic or basic a substance is
What are 3 main types of rocks
Igneous, sedimentary, metamorphic
How does DNA determine an organisms traits
contains instructions for making proteins
What is the difference between an element and a compound?
An element contains one type of atom, compounds contain 2+ elements
Why does the moon appear to change shape throughout the month?
We see different portions of the moons sunlit side as it orbits