Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
ADV 8th Benchmark Review 1-e
Test Description: 8th grade Physical Science Review for Fall Benchmark
Instructions: Answer all questions to get your test result.
1) What is the density of a substance based on?
A
mass and volume
B
speed and velocity
C
height and weight
D
length and volume
2) You place a block of wood into a beaker of water and it floats. What can you say about the buoyant force on the block?
A
It is equal to the weight of the surrounding water
B
It is greater than the blocks weight
C
It is less than the block's weight
D
It is equal to the block's weight
3) If an object weighing 10 N rests on a surface with an area of 2 m^2, the pressure that the object exerts is
A
2 Pa.
B
0.20 Pa.
C
20 Pa.
D
5 Pa.
4) When a sample of liquid is divided in half, its density
A
stays the same
B
is two times greater
C
is four times greater
D
is half as much
5) Why does an airplane rise in the air?
A
The pressure above the wings is greater than the air pressure below the wings
B
The moving air above and below the wings creates an unbalanced force that pushes the airplane up
C
It experiences a buoyant force because it is less dense than the air.
D
The airplane's cabin is presurized
6) You observe that a chunk of tar sinks in puddles of rainwater but floats on the ocean. An experiment to explain the behavior of the tar should measure
A
the depth of each type of water
B
the difference between atmospheric pressure and water pressure.
C
the height from which the chunk of tar is dropped.
D
the densities of freshwater, salt water and tar.
7) Objects sink in water when they have greater
A
mass than water.
B
volume than water.
C
weight than water.
D
density than water.
8) The buoyant force pushes objects
A
sideways.
B
in all directions.
C
downwards.
D
upwards.
9) What is the density of a 2 in sugar cube that weighs 16 gr
A
1/8 g/ml
B
20 g/ml
C
36 g/ml
D
2 g/ml
10) Oil floats on water because
A
Both substances have equal densities
B
The oil is less dense than the water
C
The water is less dense than the oil
D
The oil is lighter than the water
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?