Atoms
Proton - positive
Neutron - neutral
Electron - negative
The periodic table contains rows and columns. What are the actual names of the rows and columns?
Rows - periods
Columns - groups
Define the term "inertia"
The resistance to a change in motion.
What is the difference between speed and velocity?
What causes wind?
The uneven heating of the earth's surface.
What two subatomic particles are located inside the nucleus?
What family is made up of gasses that do not react with any other elements?
Noble Gasses
Which of Newton's laws explain why a rocket pushing mass out of the rear, causes the rocket to move forward?
Newton's third law
Calculate the speed of a car that covers 10 meters in 4.5 seconds.
2.22 m/s
What are two difference between global winds and local winds?
Global winds are generally high in the atmosphere, don't change direction, and cover large areas.
Local winds are lower in the atmosphere, can change direction rapidly, and are much smaller.
How do you calculate the number of neutrons?
Mass number - atomic number = # of neutrons
What family contains the most reactive metals?
Group 1, alkali metals
If a ball with a mass of 10 kg is pushed with a force of 60 Newtons, how much will it accelerate?
6 m/s/s
What are the three types of acceleration?
Speeding up, slowing down, changing direction
Dry and cold
Proton
The outer most electrons are called __________. These outer most electrons determine the __________ of the atom.
Valence electrons, properties
Explain what an unbalance for IS and what it will CAUSE.
The sum of the forces is not 0.
It will cause an acceleration.
Calculate the distance covered by a bullet moving 200 m/s for 0.5 seconds.
100 meters
If a cold front is about to hit Kennard, what can we expect to see?
Sudden, strong thunderstorms, with a drop in temperature.
How many electrons can fit on each orbit, from orbits 1-3?
2, 8, 8 or 18
The periodic table can be divided into three main groups: metals, non-metals, and metalloids. Where can you find these groups?
Metalloids are on the "stairstep", metals to the left, nonmetals to the right.
A box has 2 people pushing it to the right, each pushing with 7 newtons of force. Another person is pushing to the left with a force of 10 newtons. What will happen to the box?
The box will move to the right with a force of 4 newtons.
A rollercoaster at the top of a hill is moving 2 m/s. 2 seconds later, the rollercoaster is traveling 12 m/s. What was its acceleration? (Double pts.)
5 m/s/s
Explain the process of a sea breeze.
Warm air over the land rises. Cooler air over the ocean rushes in to fill the gap. The warm air in the atmosphere, cools and sinks.