Atomic Structure/Periodic Table
Chemical Reactions and Energy
Forces
Speed and Motion
Science Skills
1
Where are electrons located on an atom?
Electron shell
1
What is stored energy called?
potential energy
1
What force pulls everything to the center of the Earth?
Gravity
1
A car travels 100 miles at a constant speed of 50 miles per hour. How long did the trip take?
2 hours
1
How many centimeters are in 1 meter?
100
1
How do you find the amount of neutrons in an atom by looking at the periodic table?
Subtract the atomic number from the atomic mass
1
What type of reaction releases energy? (such as burning wood)
Exothermic Reaction
1
What is newtons 3rd law?
For every action there is an equal and opposite reaction
1
What type of reaction releases energy? (such as burning wood)
Exothermic Reaction
1
As the temperature increases in a substance, what happens to kinetic energy?
kinetic energy increases
1
What happens to the atomic radius as you down a group?
atomic radius increases as you down a group
1
What type of bond occurs when electrons are shared?
Covalent bond
1
Calculate the net force in the example below: (don't forget to add the direction if needed)
20 N to the right
1
Which graph represents speeding up?
C
1
How many milliliters are in 3,642 centimeters?
36,420 mm
2
What does the atomic number tell you about each atom of that element?
how many protons it has
2
What type of bond forms to make NaCl?
Ionic bond
2
True or False: If you were to equip snow tires on a car to use on an icy road, is that an example of increasing friction?
True
2
Draw a graph to represent a car traveling at constant speed.
2
What is the mass shown on the triple beam balance below? (don't forget to include the correct unit)
412.5 grams
2
What charge would an ion of Magnesium most likely have?
Mg +2
2
Balance the equation below:
2
What is the tendency to resist a change in motion called?
inertia
2
How does mass affect inertia?
As mass increases, inertia increases.
2
Mosquito repellent is sprayed on one arm and the other arm is not sprayed. The number of mosquito bites is counted after 2 hours. What is the dependent variable in his experiment?
number of mosquito bites