What's in a molecule?
What kind of bond forms between an oxygen and hydrogen in a single water molecule?
What is a polar covalent bond
True of false: The properties of the 2 elements sodium and chlorine act very similar to the compound they form in sodium chloride (or table salt).
False. They're properties are very different.
Starch is considered what kind of macromolecule (of the 4 types)?
What is a carbohydrate
What is ecology?
What is...the scientific study of the earth, nature, and organisms and how they all interact with each other
True or False...global winds directly affect global ocean currents.
What is true
What kind of bond forms between the negatively charged oxygen of one water molecule with the positively charged hydrogen of another water molecule?
What is a hydrogen bond
Household bleach has a pH between 12 and 13. Where does this fall on the pH scale?
What is a base/basic
Describe the general structure of a lipid
what is a carbon backbone/chain with attached hydrogens
What are abiotic and biotic factors? And, give an example of an interaction or relation between abiotic and biotic factors in an environment.
Abiotic = nonliving
biotic = living
Example
Dana is exploring the ocean via submarine. What ocean zone is she going to be visiting primarily?
What is the aphotic zone
What 3 components make up an atom?
Protons, neutrons and electrons
In a chemical reaction, which event ALWAYS occurs as the reaction proceeds?
Which type of macromolecule has the function of storing and transmitting genetic information?
What are nucleic acids
What is the Greenhouse effect?
What is... the process by which Earth traps heat from the sun to warm the surface, retaining most of the heat, and reradiating some of the heat back into space
As a team of explorers travels southward from the North Pole to Canada, they encounter a dense forest of pines and other coniferous evergreens. Thjey leave the forest before the winter, which is long and cold. Which biome has the team visited?
What is boreal forest (taiga)
What is the term for an element with a different number of neutrons than protons?
What is an isotope
What is the effect of an enzyme on a chemical reaction?
What is that enzymes decrease activation energy
An enzyme fits into which macromolecule category?
What are proteins?
The day to day conditions are referred to as..... and the annual conditions of a region are referred to as ....
What are weather and climate
The top 200m of the ocean is known as the.......zone?
What is photic zone
Which two types of particles are present in equal numbers in an atom, but not in an ion?
What are protons and electrons
In the toothpick-ase lab we did in class, what was the enzyme and what was the substrate?
The enzyme was the hand
The substrate was the toothpick
Why would water be repelled on a leaf with a waxy coating on it?
What is because wax is a lipid, and lipids are nonpolar (water-fearing); water molecules are polar (water-loving)
Dr. Hodges and his team are studying global climate change. They develop a set of mathematical equations that relate climate data gathered over the past 100 years. Then, with the aid of a computer, they use the equations to predict climate change in the future.
Their use of mathematical equations and computers is an example of which of the following:
observation; gathering evidence; experimentation; modeling
What is modeling
The temperate grasslands biome includes regions of several continents that all of these 2 factors in common. What are they?
What is the same seasonal patterns of temperature and precipitation/rainfall