Font size
Worksheets8th BW Mix 9
Total questions: 10
Worksheet time: 23mins
Meter
length
Liter
volume
Gram
mass
Celsius
temperature
second
time
Joules
Work
Joules per Second; Watts
Power
Newtons
Force
Seconds
time
Meters
distance
9, 000 N is the bite force of one adult American alligator. Assuming it has a bite distance of 0.5 m and is biting within 0.25 seconds, how much power does it bite with?
18,000 J/s or Watts
1,125 J/s or Watts
72,000 J/s or Watts
4,500 J/s or Watts
Match these Laws of Motion
When a glass slid across a table, it spilled water because it stopped suddenly.
Newton's 1st Law: Inertia
An engine used less work to move a lighter car than when it moved a heavier car.
Newton's 2nd Law: Acceleration
When you sit on a chair, your body exerts a downward force on the surface of the chair, while the chair exerts an equal and upward force on your body.
Newton's 3rd Law: Force Pairs
Select all that apply: Which of the following best represents the Law of Conservation of Energy?
Energy CAN change forms
Energy CAN be destroyed AND created
Energy CANNOT be created
Energy CANNOT be destroyed
Harry is playing a hand-held video game. The source of energy for the device is a battery. Which on of the following sequences shows the correct transformation of energy?
Elastic to mechanical
Chemical to mechanical
Electrical to radiant and sound
Chemical to electrical to radiant and sound
A place where no sound exists is...
in the air
under water
space
all of the above
Which sound wave has the lowest pitch?
Which sound wave has the highest pitch?
Match these
Infrared
See heat signatures (people lost)
Radio
Send data through the air (music, speeches)
Microwaves
Cooks food
Ultraviolet (UV)
Kills bacteria, helps plants grow, tanning beds
X-Rays
allows us to "see" inside the body
