A duck flies 60 meters in 10 seconds. What is the duck's speed? ______ meters per second
What is six
100
A course along with something or someone moves is its
What is direction
200
This force always pulls downward on objects
What is gravity
200
Runners (push or pull) against the ground to start running
What is push
200
When inertia attempts to throw you out of a roller coaster, there is less pressure between your body and the seat. This gives one a feeling of ___________________.
What is weightlessness.
200
To calculate speed, you dividing total ________ by total time.
What is distance
200
A newton is a unit which scientists use to measure what?
What is force
300
A force that slows down moving things
What is friction
300
A change in position over time
What is motion
300
________________ is the amount of energy an object has due to its position in the earth's gravitational field
What is potential energy
300
Kilometers per hour is an example of a __________ of speed
What is unit
300
The tendency of an object to resist change in the direction or speed of its motion
What is inertia
400
the strength or energy that moves an object
What is force
400
Different ______________ of ________________ see things differently. In a moving car, it looks like the trees are moving. When you are standing outside the car, it is the car and not the trees that appear to be moving.
What is Frame of Reference
400
Name one rule of physics that affects how fast a roller coaster will go
What is mass, acceleration or direction
400
The measurement that combines both speed and direction of a moving object is called
What is velocity
400
The amount of matter measured on Earth by its weight
What is mass
500
This force helps a snowboarders control their speed by zigzagging downhill
What is friction
500
Motion has two parts: ____________ and _____________
What is distance and direction
500
List three of the six forces that keep a roller coaster from flying off its tracks:
What is speed, inertia, gravity, acceleration, potential energy and kinetic energy
500
A beetle crawls 2 cm/minute for 10 minutes. How far did he crawl?
What is 20 centimeters
500
The moon has a smaller mass than the Earth. If you were able to travel to the moon, your weight would increase, decrease, or stay the same?