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WorksheetsSGO Review
Total questions: 35
Worksheet time: 18mins
According to the diagram below, a cross between two heterozygous green pea pod plants results in which ratio of green to yellow pea pods?
3:2:1
2:1
3:1
1:2:1
Which figure models a decomposition reaction?
I
II
III
IV
Which of the following can cause extinction?
a lack of variation
severe change in the environment
a lost ability to reproduce successfully
all of the above
Which of the following can sound NOT travel through?
solids
liquids
gases
vacuum
An organism that has two different alleles for a trait is called which of the following?
homozygous
heterozygous
monozygous
phenotype
Which of the following biomes has weather that is warm and wet year-round
desert
grassland
taiga
tropical rain forest
Which is NOT an inherited trait?
the size of a cat
the color of hair
the song a bird sings
blood type
The speed of sound in ____ is greater than the speed of sound in water.
air
steel
cork
water vapor
Which of the following is a renewable resource?
oil
lumber
coal
diamonds
When the last individual of a species dies, that species is considered _____.
adapted
rare
extinct
evolved
To produce sound, an object must be ____.
moving toward the listener
heated
in a gas
vibrating
The global population in 200 was approximately ____.
6.05 billion
60 billion
1 billion
3 billion
The statement "for every action, there is an equal but opposite reaction" is a statement of _______.
the law of conservation of momentum
Newton's first law
Newton's second law
Newton's third law
If light waves change speed when they pass from one medium into another, the light will be _______.
diffracted
reflected
separated
refracted
The process of one ecological community gradually changing to another is which of the following?
ecological replacement
community succession
ecological succession
community replacement
Which of the following is certain proof a chemical reaction has occurred?
bubbles
change of chemical properties
change of color
all of the above
When an object is recyclable, it _______.
is unusable
is suitable to be processes and used again
does not help the environment
none of the above
An exothermic reaction _____.
absorbs thermal energy
need energy to be added constantly in order to continue
releases thermal energy
needs more energy to break the chemical bonds than is released when products form
At what level of the Air Quality Index should all groups limit prolonged outdoor activity?
0 to 50
51 to 100
101 to 150
151 to 200
The unit of force is _____.
m/s
the hertz
the joule
the newton
Which of the following is an example of an unbalanced force?
book sitting on a table
car sitting in the garage
person on an elevator going down
person leaning on a wall
When two birds are pulling on a worm and the worm moves toward the first bird, you know that the forces are _____.
long-range
action-reaction
unbalanced
balanced
What explains two green pea plants producing 25% plants with yellow pea pods?
recessive alleles
dominant alleles
codominant alleles
incomplete dominant alleles
If a plant with purple flowers, RR and a second plant with purple flowers, Rr are crossed, which percentage pf plants will have purple flowers?
0%
50%
75%
100%
Which of the following does NOT use sonar to locate objects?
horse
ship in the ocean
bat
dolphin
Reduced vegetation on Earth results in _______.
more carbon dioxide in the atmosphere
increased habitats
less room for humans
more oxygen in the atmosphere
Each substance written to the right of the arrow in a chemical equation is a _______.
reactant
product
precipitate
catalyst
Whenever an object exerts a force on another object, the second object exerts a force of the same magnitude, but in the ____ direction to that of the first object.
opposite
same
right angle
vertical
Electromagnetic waves can travel through _____.
matter
vacuum
matter and vacuum
nothing
Some baking soda and vinegar were weighed separately and the weights added together. The two substances are mixed and a chemical reaction occurred, producing carbon dioxide, sodium acetate, and water. When the three new substances are weighed and the weights totaled, which of the following will be true?
The original weight will be more because there was more mass
The new weights will be more because there is more mass
the two weights will be equal because the mass is the same
There is no way to know, because changes in mass are random
Which is NOT a behavioral adaptation?
a plant adaptation to severe temperature by producing seeds that are dormant
migration of animals to avoid cold
whales moving to warmer water to reproduce
migration of animals to find food
Which of the following changes is chemical rather than physical?
water is boiled
aluminum foil is crumpled
glass is shattered
wood is burned
On the coral reef ecosystem figure shown, which factor is biotic?
rocks
sand
sea horse
water
Which of the following is an example of a noncontact force?
musician playing piano
athlete hitting a ball with a bat
a ball falling after you toss it in the air
karate expert breaking a stack of wood
The process of modifying the gentic material of one organism is by inserting DNA from another organism is called which of the following?
mutation
genetic engineering
heredity
monohybrid cross
