The Distant Past
The Recent Past
The Present
The Future
Pi or Pie?
100
_______ are the result of the gravitational attraction between the sun, moon, and Earth.
Bonus 100 pts: Name both of them.
Tides
Neap tide and Spring tide
100
Give two examples that a chemical change has ocurred.
-Unexpected temperature changes
-Unexpected color changes
-Gas, light or odor is produced
-Formation of precipitate (solids)
-Formation of a new substance
100
What does a straight horizontal line mean on a distance vs. time graph?
The object is not moving
100
Mixing what to colors of LIGHT will allow your eyes to see yellow light?
Red and Green
100
What is the next digit of pi?
3.14159265
3.1415926535 8979323846 2643383279
200
What are the three categories of galaxies? (They are shaped)
spiral, elliptical, irregular
200
Of the three classifications of matter on the Periodic Table, what are the materials that are dull, brittle, and poor conductors?
Give an example!
Nonmetals
Ex: Chlorine, Neon, Oxygen, etc
200
State Newton's 3rd Law of Motion and give an example.
For every action there is an equal and opposite reaction.
Ex: pushing your foot against the floor and the floor will push your foot back.
200
What is a decibel and use it in a sentence.
A decibel (dB) is a unit of measurement for the intensity or strength of a sound
Sentence: The average conversation when standing 1 meter away is approximately 65 decibels.
200
How long has the symbol for Pi been used?
Since 1706, so about 319 years
300
Name a type of energy and where it comes from.
Potential - stored energy/energy of position
Kinetic - energy of motion
Mechanical - motion
Electrical - electricity
Radiant - light
Chemical - food, batteries, fuel
Sound - vibrations
Nuclear - nuclei of atoms
300
How many atoms of each element are in this equation:
6CO2 + 6H2O
Carbon = 6
Hydrogen = 12
Oxygen = 18
300
State Newton's 1st Law of Motion
An object in motion stays in motion (at a constant velocity) and an object at rest stays at rest unless acted upon by an unbalanced force.
300
What is a pendulum?
A device that swings back and forth due to the force of gravity.
300
In the United States, approximately 50 million of these pies are eaten annually.
Pumpkin Pie
400
If the Law of Conservation of Momentum states that as long as objects are not influenced by outside forces, the total amount of momentum stays constant... then what could you assume is the definition of the Law of Conservation of Energy?
Energy is not created or destroyed, only transfered
400
In a ___________ change, atoms are rearranged and new substances are created.
Also give an example!
Chemical
Ex: decomposing log, baking a cake, digesting food, lighting a match
400
A box being pushed to the right with 55 N of force and with a friction force of 25 has a net force of ____ N in what direction?
+30N to the right
400
Draw a sound wave that is demonstrating diffraction.
See teacher's answer.
EX: It should bend around the corner of the hallway.
400
The record for reciting the most number of decimal places of Pi was achieved by Rajveer Meena at VIT University, Vellore, India on 21 March 2015. He was able to recite 70,000 decimal places. How long did it take him to recite it?
10 hours!
500
What is this diagram used for? What does it show?
It classifies stars by temperature, brightness, color, and relative age. The temperature increases from right to left. The brightness increases from bottom to top.
500
Balance: __ Na + __ H2O --> 2NaOH + H2
2 Na + 2 H2O --> 2NaOH + H2
500
What are the three ways an object can accelerate?
Speed up, slow down, or change direction
500
Name at least 4 of the 7 types of waves on the electromagnetic spectrum.
Radio waves, microwaves, infrared light, visible light, ultraviolet light, x-rays, gamma rays
500
How much did the largest pie weight?
The largest pie ever made weighed a staggering 10,540 kilograms (23,236 pounds)