Chemistry
Element with 9 protons
Fluorine
In WHAT do light rays travel?
Straight lines
What contains the cell's DNA?
Nucleus
What measures personal GHG (Greenhouse gas) emissions?
Carbon footprint
5 types of chemical reactions
Synthesis, decomposition, single displacement, double displacement, combustion
What 3 properties describe plane mirror images?
Virtual, upright, same size
Name the 4 main tissue types
Epithelial, muscle, nervous, connective
What is the most abundant greenhouse gas?
Carbon dioxide
Balance: Mg + O2 → MgO
2Mg + O2 → 2MgO
What bends light first when entering the eye?
Cornea
What carries oxygen in red blood cells?
Hemoglobin
What naturally warms Earth?
Greenhouse effect
pH below 7 indicates what?
Acid
What angle causes total internal reflection?
Critical angle
What do cancer cells do uncontrollably?
Divide
Name 2 ways to reduce emissions
Public transit, less meat
What do metals lose during ionic bonding?
Electrons
What type of waves need a medium?
Mechanical waves
What plant organelle does photosynthesis?
Chloroplast
What do CO₂, CH₄, and N₂O trap?
Heat