What is acceleration?
The rate at which an object's velocity changes over time
What is speed?
The rate at which an object changes its position
What is motion?
A change in an object’s position relative to reference point
What was Pangaea?
continents formed a supercontinent
What are bar graphs typically used for in physics?
To compare different sets of data
What can cause an object to accelerate
A change in direction
A car travels 150 kilometers in 3 hours. What is its average speed?
50km/h
What is the SI unit for measuring motion?
Meter
The San Andreas Fault is an example of what type of plate boundary
Transform
What is the average body temperature of a healthy human in degrees Celsius?
37°C
Which of the following is the SI unit of acceleration?
Meter per second squared (m/s(^2))
If a runner maintains a average speed of 88 meters per second, how far will they run in 55 seconds?
1.6
What is displacement?
The shortest path between the starting and ending points
What is the movement of tectonic plates that caused the San Andreas Fault?
Earthquakes
How is density calculated?
By dividing mass by volume
If a car increases its velocity from 10 m/s to 30 m/s in 5 seconds, what is its acceleration?
2 m/s
How can you find the instantaneous speed of an object?
By observing the speed at a specific moment
How do you find displacement?
Calculate the difference between the final and initial positions
Which process explains how continents drift apart over time
Plate tectonics
What is a scientific theory?
tested explanation of a natural phenomenon
A bike rider slows down from 15 m/s to 5 m/s over 2 seconds. What is the bike’s acceleration?
−3m/s2
On a distance-time graph, what does a x axis represent?
time
When can displacement be added?
When the paths have the same direction
what are the 3 different plate tonics
Divergent, Convergent, Transform
Which of the following best describes a scientific law?
brief statement that describes a consistent natural phenomenon