WorksheetsREVIEW QUIZBEE QUESTIONS
Total questions: 70
Worksheet time: 32mins
An object that does not allow light to pass through it is called ___________________.
Glass
Stone
Opaque
Transparent
Which of the following is a respiratory organ?
Tongue
Eye
Nose
Lungs
What is the unit for net force?
Newton
Joule
Meter per second
Power
The changing of a liquid to gas is known as _______________.
evaporation
Condensation
Compression
Expansion
Animals that give birth to their young ones alive are called ___________________.
Reptiles
Amphibians
Mammals
birds
How long does pregnancy take in human beings?
12 months
6 months
9 months
8 months
The food or chemical energy source made by plants through photosynthesis is:
water
glucose/sugar
sunlight
carbon dioxide
Which of the following is a compound?
Sodium (Na)
Chlorine (Cl)
table salt (NaCl)
Gold (Au)
What's it called when liquid rock (magma, lava) erupts through the Earth's crust?
earthquake
volcano
hurricane
tsunami
What is the hardest substance on Earth?
gold
diamond
iron
platinum
Plants release what gas into the atmosphere?
hydrogen
chlorine
carbon dioxide
oxygen
What special part is ONLY found in plant cells?
cell membrane
nucleus
cell wall
mitochondria
What is the first step to the Scientific Method?
draw conclusions
conduct research
define words
determine a problem
Cats eat rats. Rats eat grain. When grain is plentiful, what do you expect to happen?
Cat population will increase
Cat population will remain unchanged.
Cat population will decrease.
Rat population will decrease.
What is Newton's first law of motion?
Every action has an equal opposite reaction
The force acting on an object is equal to the mass of an object times its acceleration
An object in motion stays in motion unless acted upon by an unbalanced force
none of the above
This scientist discovered and named the cell.
Robert Hooke
Anton Van Leeuwenhoek
Goldberg
Mathias Schleiden
The powerhouse of the cell is the...It converts energy from food into energy the cell can use
Mitochondrion
Golgi body
Nucleus
Ribosomes
Using your senses to gather information about the world around you is known as...
inferring
observing
measuring
researching
A Microscope is a _________.
tool to help you see objects that are far away
tool to make objects appear much larger
tool to help you weigh an object
tool to protect your eyes
Atomic number is_________
the number of protons
the number of electrons
the number of neutrons
the location of an atom on the periodic table
Which electromagnetic wave has a higher frequency than infrared rays but lower frequency than ultraviolet rays?
Gamma ray
Microwave
Visible light
X-Ray
Acid rain is known to have damaging effects on humans, environment, structures and many others. The following are are harmful effects of acid rain, except
production of pesticide.
destruction of statues.
corrosion.
death to aquatic life
Which statement about the parts of the eye and their uses is true?
The pupil opens or shuts the eye.
The eyelid regulates the amount of light.
. The iris enables the eye to see near object.
The Iris serves as the screen where the image is formed.
.If you placed a number chart in front of a plane mirror, what numbers will you read properly in the mirror?
0, 1, 6, 8, and 9
0, 1and 6
0, 8, and 1
0 and 9
You see your face clearly if you look down on a pool of still water. Which one of the following statements gives the best explanation for this observation?
. Light entering the water is dispersed.
Regular reflection of light happens on the surface of still water.
Irregular reflection of light happens on the surface of still water.
Light is reflected from the surface of water in different directions
The wings of the bat and the fore-limbs of the dog are said to be homologous structures. This indicates that
They have a different ancestry but a common function
Bats evolved from a lineage of dogs
They are structures which are similar due to common ancestry
The limb bones of each are anatomically identical
A DNA strand with the sequence AAC-GTA-ACG is transcribed. What is the sequence of the mRNA molecule synthesized?
AAC-GTA-ACG
UUG-CAU-UGC
AAC-GUA-ACG
TTG-CAT-TGC
What happens to the energy of an electromagnetic wave if its frequency increases?
decreases
doubles
increases as well
remains the same
Which of the following statements correctly explains why microwave ovens strongly heat food inside them but do not strongly heat the glass plates that the food rests on?
A. Microwaves are more strongly absorbed by water molecules than by molecules in glass.
B. Glass emits microwaves more easily than it absorbs them.
C. Food has a higher density than glass so it absorbs more microwave energy.
D. Glass reflects microwaves better than food does.
Why it is easier to read a newspaper than a glossy magazine?
Because incident rays of light on a newspaper reflect in different directions while incident rays of
light on a glossy magazine reflect in only one direction.
Because incident rays of light on a newspaper reflect in only one direction while incident rays of
light on a glossy magazine reflect in different directions
Because incident rays of light on a glossy magazine converge at the focus.
Because incident rays of light on a newspaper converge at the focus.
Fresh fish and meat that are not stored in a refrigerator show signs of spoilage in less than a day. What causes this spoilage?
temperature changes
presence of microorganism
oxygen of in air
A bar magnet is divided in two pieces. Which of the following statements is true?
The bar magnet is demagnetized.
The magnetic field of each separated piece becomes stronger.
The magnetic poles are separated.
Two new bar magnets are created.
Which of the following is the correct balanced reaction?
2 C3H8 + 10 O2 --CO2 + 8 H2O
C3H8+ O2--CO2 + H20
C3H8 + O2 -- 3 CO2 + 2 H20
During the 1960s, scientists were already equipped with gadgets needed to explore the deep ocean. What discovery about the ocean floor is associated with the seafloor spreading?
Mountains are denser than the mantle
The rotational poles of the Earth have migrated.
The crust of the continents is denser than the crust of the ocean.
The crust of the ocean is very young relative to the age of the crust of the continents.
Which of the following happens in convergent boundary?
The crust separates
New crust is created
plate slide past each other
The older crust id recycled by subduction
Shifting pieces of the Earth's crust are called
tectonic plates
volcano
magma
island
Water that falls from clouds as rain, snow, sleet or hail
Evaporation
Condensation
Precipitation
Surface Runoff
A process by which natural forces break apart or change rock
Weathering
Deposition
Erosion
Geosphere
Which is not part of the Geosphere?
Grains of sand on a beach
People walking on a beach
Melted rock under the Earth's crust
Minerals like quartz and shale
Rocks are classified as igneous, metamorphic, or sedimentary according to
their color.
how they formed.
their shape.
the minerals they contain.
Which two gases, when released into the atmosphere, are believed to contribute most to global warming?
nitrogen and oxygen
methane and carbon dioxide
nitrogen and methane
methane and oxygen
Why is the Earth's core so hot?
the Earth uses nuclear fusion (like the Sun) to release energy and produce bigger elements
the Earth uses leftover heat from its original formation to stay warm
the Earth uses radioactive decay to release energy and produce smaller elements
the Earth absorbs energy from the Sun in the core
Which of the following is NOT a greenhouse gas?
water vapor
carbon dioxide
methane
oxygen
After one half life, how much of a 500 g sample will be left?
500 g
250 g
125 g
100 g
Which of the following best describes climate?
Average rainfall in Gretna over 10 years
Amount of precipitation received yesterday
The current temperature outside
The predicted wind speed tomorrow
Less dense material rises; and more dense material sinks; this is known as _________________________.
convection
transpiration
continental drift
a seismograph
A seismograph measures _________________________.
earthquake intensity
volcanic intensity
sea spreading distance
lava density
One of the clues that scientists used to discover which continents used to be connected to each other were _______________________.
fossils
mountain ranges
shape of continents
All of these are correct
Which type of crust is more dense?
oceanic crust
continental crust
The oldest time period listed below is the _________________.
Precambrian period
Cenozoic Era
Mesozoic Era
Paleozoic Era
Volcanoes surrounding the Pacific Ocean region are called the ______________________.
Ring of Fire
Lava Flows
Magma Mountains
Tsunami Fields
Who is the scientist associated with the theory of Continental Drift?
Alfred Wegener
Ben Franklin
Nikolas Tesla
Charles Darwin
What are the 4 main spheres of Earth?
Hemisphere, Lithosphere, Troposphere, and Ionosphere
Exosphere, Stratosphere, Mesosphere,and Ozonosphere
Hydrosphere, Atmosphere, Biosphere, and Geosphere
Thermosphere, Atmosphere, Hemisphere, and Ionosphere
Which is TRUE about convection current?
the rising and cooling of molten materials in the crust
the rising and cooling of molten materials in the mantle
the rising and boiling of molten materials in the core
the rising and boiling of molten materials in the crust
