Potential Energy: Energy that is stored based on an object's ________
Position
First, Second, or Third:
An astronaut in space throws a rock forward, and begins accelerating backward
Third
The evidence that scientists see the soil consists of soot, _________ and iridium.
The unknown rock is caused by explosions, mainly.
Quartz
When you placed your marble at the top of the ramp, and before the marble started rolling down, it had this kind of energy:
Potential Energy
These objects have gravity.
All objects
OR
Every objects
Force equals mass times acceleration.
Mass = 2 kg
Acceleration = 5 m/s^2
What does Force equal?
MUST HAVE UNITS!
10 Newtons (10N)
First, Second, or Third:
A cannon ball stays moving forward until it hits the castle's wall.
First
At the same time that we see a "weird" layer in the soil, we also see a dramatic change in the fossil record. We see a large change in the DIFFERENT types of LIFE forms. This word is: ______________
Biodiversity
Does mass or velocity have a bigger impact on Kinetic Energy?
Velocity
Things with more mass have _____ gravity
more
Kinetic Energy is the energy of a ________ object
moving
Second.
Iridium is commonly found on what type of rocks?
Space rock
OR
Asteroids
Since everyone's setup was exactly the same, this is an example of an experimental (pick one)...
Independent Variable
Dependent Variable
Control
Control
Gravity pulls on all objects at the ______ rate
Same
What is the value of gravity on Earth?
9.8 m/s^2
Force equals mass times acceleration.
When mass goes up, acceleration goes _____.
Down
Is the change in fossils at 65 million years ago dramatic or gradual?
Dramatic
When the marble hits a student-made structure, the marble bounces back while the structure moves forward. This is an example of Newton's _____ Law.
Third
More massive objects that have more gravity will make objects fall ________
quicker / faster
GPE = mgh
An object with 10 kg is 20 meters high in a tree. What is the Gravitational Potential Energy?
MUST HAVE UNITS!
1960 Joules (J)
Force equals mass times acceleration. When mass goes up, force goes up. This means that force and mass are ________ ___________.
(TWO WORDS)
Directly Proportional
The reason that soot helps prove an asteroid impact is because soot provides evidence for massive _____
fires
OR
wildfires
Elastic Potential Energy relates to when a spring or stretchy object is stretched or ________
Compressed
Neptune has a force of gravity. Neptune's gravity affects Saturn more than Earth because the distance between Neptune and Saturn is ________
closer
OR
less