WorksheetsFinal Practice Problems
Total questions: 25
Worksheet time: 13mins
Which surface will have a reduced breaking distance?
How fast do tectonic plates typically move?
As fast as a cheetah
As fast as your fingernails grow
As fast as a snail
As fast as a car
What unusual weather event occurred in Texas in February 2021, causing widespread power outages?
A heatwave
A Winter Storm
A tornado
A hurricane
What was the primary reason for the failure of Texas's power systems during the storm?
Excessive energy consumption
Over-reliance on wind energy
Inadequate preparation for extreme cold
Lack of fuel supply
What happens when a magnet moves though a metal col
The magnetic field changes and electricity is produced
The magnetic field stays the same and electricity is NOT produced
The magnetic field changes ONLY
Electricity is produced out of no where
What is happening on the microscopic level
electrons are moving creating electricity
atoms are moving creating electricity
protons are moving creating electricity
electrons stay still creating electricity
When a magnet is moved FASTER through a coil what happens
More electricity is produced
Less electricity is produced
The amount of electricity produced is not effected
A cyclist travels 45 km west in 1.5 hours. What is their velocity?
15 km/h east
30 km/h east
45 km/h
30 km/h west
If a car's speed is halved but its mass stays the same, what happens to its momentum?
It halves
It stays the same
It becomes zero
It doubles
Which of the following best describes *acceleration*?
Distance divided by time
Change in velocity over time
Time taken to stop
Mass multiplied by velocity
Which factor will increase the momentum of a moving object?
Decreasing its mass
Keeping its mass and speed constant
Increasing its speed
Reducing its velocity to zero
In a closed system, if two objects collide and stick together, what happens to the total momentum?
It becomes zero
It stays the same
It decreases
It increases
Which statement is true about momentum in an isolated system?
Momentum is always lost
Momentum is always gained
Momentum depends only on mass
Momentum is conserved
