In order to solve for density of an object, you can use the
following equation:
What is denstiy = mass/volume?
100
The smallest prefix in the metric system is _____.
What is milli?
100
***Daily Double***
A sloth is sitting on a branch applying a force of 4 Newton (N) to the branch and the branch does not break. The support force of the branch is:
100
Yon Johnson is walking down the street. He is walking west for 400 meters. If he walks that distance in 15 seconds, what was his velocity?
What is 26.67 m/s west?
200
The rate of change in velocity is:
What is acceleration?
200
What are the units for density?
What is grams/cm^3 or grams/ml?
200
The prefixes in order from greatest to smallest are ________.
What is kilo, hecto, deka, deci, centi, milli
200
A 10N force and a 50N force act on an object in opposite directions. The net force on the object..
What is 40 Newton (N)?
200
29. Anna and Bailey are running down the street. They run 10,000 km. This takes 22 minutes. Their speed in m/s?
What is 7575.76 m/s?
10,000 km = 10,000,000 m
10,000,000m/1320seconds=7575.76m/s
300
The smallest prefix in the metric system is _____.
What is milli?
300
To find the volume of an irregular-shape object we use:
What is water displacement?
final volume of water – initial volume of water
300
Convert 100 cm in to meters...
100 cm = __________ meters
What is 100 cm = 1 meter?
300
The amount of friction that exists between 2 objects depends on:
What is the type of surfaces in contact and the amount of force pressing them together?
300
Are you accelerating if you are on a merry-go-round? Explain why.
The merry go round is usually circular. As you go around you are changing direction, leading to a change in velocity. Any change in velocity due to a change in direction is by definition acceleration.
400
Physical science is the study of:
What is physics and chemistry?
400
If a hard-boiled egg were placed in a cup of salt water it would
What is float because the water is more dense?
400
An acceleration rate of 0 m/s2 means that: (relate to velocity)
What is you are traveling at a constant velocity?
400
A block of wood 3.0 cm on each side has a mass of 27 g. The density of the block..
What is 1 gram/cm^3?
400
Explain the importance of the System International in the world of sciences.
System International or S.I. for short is a universal system of units that is recognized as the standard of scientific measurement. S.I. units are based on the metric system and allow scientists to internationally communicate data without having to worry about language barriers.
500
"Static” means:
What is at rest or standing still?
500
If the density of an object is less than one and the object is placed in water the object will
What is float?
500
If a hockey puck slides on a frictionless surface, with no air resistance, it will:
What is keep sliding at the same rate?
500
Brendan rides his bike 4 m/s South to go WaWa. If it takes him 2 minutes to get there, how far is he from the store?
What is 480 meters or .48 km?
(north of the store)
2min=120 seconds
4m/s * 120 seconds=480 meters
500
A bus travels at a velocity of 35 m/s. The bus gets stuck in traffic and is now traveling at 22 m/s. If it took the bus 10 seconds to slow down, what is its acceleration?