Which two subatomic particles contribute to the atomic mass (mass number) of an atom?
Protons and Neutrons
What is the definition of velocity?
Speed with direction
Different seasons occur when earth orbits the sun. (365 days)
Which part of a food chain/food web contains the most energy?
How does mass effect the amount of force needed to move an object?
The greater the mass, the greater the amount of force needed to move it.
If a chemical formula contains a subscript and coefficient, which mathematical operation should be used to obtain the number of atoms?
Example: 2H2O
Multiply the coefficient by the subscript.
How does the units of speed and acceleration differ?
Speed-m/s
Acceleration-m/s2
When the northern hemisphere is tilted away from the sun, what season is occurring and why?
It is winter because of the indirect sunlight in that given area.
Urbanization, water pollution, and an ice age are all parts a what type of environmental changes?
Long-term environmental changes
What force causes a book to slow down when sliding across the floor?
Friction
What is the acronym for remembering all the evidences of a chemical reaction? BPLTCS
Bubbles/Gas, Precipitate, Light, Temperature, Color Change, Smell/Odor
A sledge hammer has a mass of 5.0kg. The person using it to demolish a wall applies a force of 50N. What is the rate of acceleration used by the sledge hammer?
25m/s2
Which lunar phases occur during a high tide (spring tide)?
Full and New moon
In order for an ecosystem to be more sustainable, the organisms ecosystem should be more_________ .
How do the continental plates move to make earthquakes happen?
Plates move through transform boundaries.
Which group located on the Periodic Table contains elements that are inert (stable) and why?
Group 8/18 because the last outer valence energy shell is full of electrons.
According to Newton's first law of motion, an object at rest remains at rest until an_______ acts on it.
Unbalanced force or External force
If it is a waxing crescent moon on May 7th, what moon phase will occur on May 14th?
Waxing gibbous
During primary succession, a new ecosystem is developed from______ .
When calculating net force, arrows going in the same direction you ____ forces.
Add
If a fluorine atom has a mass number of 18.999, how many neutrons are present?
Round the mass to 19 subtract the atomic number 9 equals 10.
Which item has more inertia: bowling ball or ping pong ball and why?
Bowling ball because it has more mass than a ping pong ball.
Which plate boundary creates a mid-ocean ridge and rift valley?
Divergent plate boundary
When environments change slowly, organisms can adjust over time through ______ which will allow them to survive when the environment is changing.
adaptation
What does the arrows in a food chain/food web indicate?
Flow of energy from one organism to the next.