Vocab
A change in position
What is Newton's 3rd Law?
For every action there is an equal and opposite reaction
What is the formula for speed?
Distance divided by time
Which travels faster: Light or sound?
Light
How many elements are on the periodic table?
118
The amount of time it takes from one event to the next.
Elapsed time
What is an example of Newton's 3rd Law?
trampoline, bouncing a ball, Newton's cradle, jumping, etc..
What is the formula for acceleration?
End Speed - beginning speed divided by the elapsed time
What mineral can you add to water to make things float easier?
Salt
What was the first state?
Delaware
The change in velocity over time.
Acceleration
What is Newton's First law?
Inertia: An Object in motion/at rest will stay in motion/at rest until a force acts upon it
A plane travels 900 miles over 3 hours. What is the average speed of the plane?
900 miles/3 hours = 300 mph
The first iPhone came out in what year?
2007
In what fictional Indiana town does the sci-fi series “Stranger Things” take place?
Hawkins
Speed with a direction.
Velocity
What is Newton's 2nd Law?
Acceleration: The more mass something has, the more force it needs to accelerate
A car is stopped at a red light. When it turns green, he goes 70 mph in 5 seconds. What is the car's acceleration?
70 mph divided by 5 seconds = 14 mph/seconds
What planet rotates backwards compared to the rest of the Solar System?
Venus. Uranus rotates on its side, not backwards
Name 2 of the 4 Beatles
John Lennon, Paul McCartney, Ringo Starr, George Harrison
The force that draws objects towards each other.
Gravity
What is Newton's Law of Universal Gravitation?
Gravity is a force that is related to mass and distance. The more mass an object has, the more gravitational pull. The farther away an object is, the less gravitational pull it has.
A car is going 50 mph, but 10 seconds later, it slows down to 20 mph. What is the deceleration?
20 mph - 50 mph = -30 mph/10 = -3 mph/seconds
How long would it take to walk to the moon?
9 years
What is the diameter of the average basketball hoop?
18 inches