WorksheetsScience 2025
Total questions: 50
Worksheet time: 23mins
Some people are able to taste a certain bitter chemical, and others are not. Figure 1 shows the alleles that different individuals have for this dominantly inherited trait. Individuals A and B are the parents of Individual D. Individuals C and D are the parents of Individual E. What is the probability of Individual E being able to taste the bitter chemical?
0%
25%
50%
75%
Which rock layer is the oldest?
Layer I
Layer J
Layer K
Layer L
Layer M
An experiment was done to determine if earthworms are beneficial to the growth of plants. What would be the independent and dependent variable?
Independent - type of soil; Dependent - # or earthworms added
Independent - # of earthworms added; Dependent - leaf and stem size
Independent - leaf and stem size; Dependent - type of soil
Independent - type of soil; Dependent - leaf and stem size.
What is the moon at position 5?
New moon
Full moon
first-quarter moon
third-quarter moon
If you place a 90 degrees C metal disk in 1/2 cup of room temperature water, increasing the temperature of water by 1 degrees C, what would happen if in a separate experiment, you put the same 90 degrees C metal disk in 1/4 cup of room temperature water?
The temperature would increase by 0.5 degrees.
The temperature would increase by 1 degrees.
The temperature would increase by 2 degrees.
The temperature would stay the same.
For a wave, what is the relationship between wavelength to frequency and to energy?
Wavelength is inversely related to frequency and inversely related to energy.
Wavelength is directly related to frequency and directly related to energy.
Wavelength is directly related to frequency and inversely related to energy.
Wavelength is inversely related to frequency and directly related to energy.
Which is the best example of a point source pollution?
runoff from fields
pesticides sprayed into the air
oil spill from a boat in the Atlantic Ocean
smoke from multiple industries in a large city
Consider this food web:
Where is the largest amount of energy found in this food web?
hawk
grass
mouse
grasshopper
How are elements similar to those in the same group on the periodic table?
They have the same number of valence electrons.
They have the same number of electrons.
They have the same number of protons.
They have the same atomic mass.
Which choice best describes the properties of chlorine (Cl), based on its position on the periodic table of elements?
a nonreactive metal
a highly reactive metal
a nonreactive nonmetal
a highly reactive nonmetal
Which energy transformation occurs during active transport in a cell?
light energy → chemical energy
kinetic energy → potential energy
chemical energy → mechanical energy
mechanical energy → electrical energy
How many producers are in this food web?
1
2
3
4
What Is natural selection?
living things adapt to their environment to survive and produce more offspring
Living things eat and hunt lesser creatures so they are not the one eaten
The way natural works on its own
Which will most likely result if there is an increased upwelling in a coastal area?
More aquatic life.
Less nutrients in the water.
Higher water temperatures.
Fewer nitrates.
Which is an example of a physical change?
Boiling
Burning?
Rotting
Rusting
Where is the majority of Earth's freshwater located?
Clouds
Pacific OCean
Polar Ice Caps
Rivers
Which pure substance is composed of more than one element?
Carbon
Gold
Water
Sodium
Storm clouds are typically:
Cirrus
Cumulonimbus
Nimbus
Stratus
Which Law states that an object in motion tends to stay in motion unless acted upon by an outside force?
Newton's First Law
Newton's Second Law
Newton's Third Law
Cole's Law
How many bones does an average adult human have?
188
206
226
252
Where is the Mariana Trench located?
Indian Ocean
Atlantic Ocean
Pacific Ocean
Artic Ocean
What is a nucleotide composed of?
sugar and base
base and phosphate
sugar, base and phosphate
DNA base and gene
In the Periodic Table, Pb stands for what chemical element?
Iron
Silver
Mercury
Lead
Which of these bones are located in the feet?
Metatarsals
Metacarpals
Pollex
Talus
What is a calorie used to measure?
Energy
Force
Power
Work
Salt dissolved in water is considered a(n) what?
Compound
Slurry
Emulsion
Mixture
Are worker bees male or female?
Male
Female
Queen
Drone
Which neurotransmitter is associated with feelings of pleasure and reward? a
a) Serotonin
b) Dopamine
c) Acetylcholine
d) GABA
Which region of the brain is responsible for coordinating movement and balance?
a) Cerebral cortex
b) Hippocampus
c) Cerebellum
d) Medulla oblongata
Neurons communicate with each other through specialized junctions called:
a) Synapses
b) Axons
c) Dendrites
d) Nuclei
The brainstem consists of which three main parts?
a) ) Medulla, Pons, and Hypothalamus
b) Cortex, Thalamus, and Hippocampus
c) Pons, Midbrain, and Cortex
d) Medulla, Pons, and Midbrain
What is the primary function of the frontal lobe in the cerebral cortex?
a) Processing visual information
b) Coordinating movement
c) Higher-level thinking and decision-making
d) Auditory processing
Which is the most abundant metal in the earth's crust?
Bronze
Aluminum
Copper
Lead
If a temperature is 32 degrees Farenheit, what is the Celsius temperature?
0
32
64
100
What is the colored part of the eye called?
iris
pupil
cornea
retina
Diabetes is a disease that affects which organ in the body?
Pancreas
Spleen
Lungs
Stomach
What type of tree do acorns grow on?
Acorn trees
Oak trees
Apple trees
Fruit trees
Dolly was the first ever living creature to be cloned. What type of animal was she?
Dog
Sheep
Monkey
Bird
Where is the world’s most active volcano located?
Alaska
Oregon
Hawaii
Japan
What is the nearest planet to the sun?
Saturn
Mercury
Venus
Mars
How many bones do sharks have in total?
45
3
112
None of the above
What hormone does the pancreas produce?
Insulin
estrogen
adrenaline
Aldosterone
What is the rarest blood type?
AB+
AB-
B+
O-
How many teeth does an adult human have?
28
32
19
38
