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Worksheets1st Semester Exam
Total questions: 72
Worksheet time: 1hrs 12mins
A representation of an object or event is called
a scientific law
a model
a hypothesis
a variable
I use rulers, scales and calculators to make these observations.
Qualitative data
Quantitative data
What are observations made using our five senses called?
Qualitative data
Quantitative data
What is an inference?
the main message of the story
drawing conclusions from the story using textual evidence
supporting details found in the text
shows us symbols from the text to support the theme.
What is the definition of length?
the amount of matter in an object
the amount of space an object takes up
the force of gravity on an object
the distance from one point to another
All matter is made up of tiny _______________
energy
particles (atoms and molecules)
bits
antimatter
Mass is the amount of _______ an object has
Matter
weight
Circulatory system:
The group of organs that work together to break down food by physical and chemical processes into nutrients that the body can use
The group of organs that work together to circulate blood through the body, supply oxygen and nutrients, and remove waste
The group of organs that regulate the body by secreting hormones into the bloodstream; also control growth, reproduction, and metabolism
A collection of body systems that filter and remove excess fluids and waste from the body; includes the digestive, urinary, respiratory, and integumentary systems
Nervous System:
A group of organs that function to provide structural support and protect internal organs
A group of organs and tissues specialized for the rapid transmission and processing of information
The group of organs that work together to break down food by physical and chemical processes into nutrients that the body can use
The group of organs that supply oxygen to the blood and get rid of carbon dioxide
anti
within
against
away from of off
too high
The suffix -tion means....
together
bacteria
process
state of
hydro-
more than
less than
water
same
mega/macro:
small
large
too little
too much
micro:
upper
lower
too much
small
mono/uni:
two
one
big
small
poly:
two
one
around
many
The young or child of an organism
trait
species
offspring
parent organism
Select the correct definition for antibiotics.
Chemicals which destroy bacteria.
Chemicals which destroy fungi.
Chemicals which destroy viruses.
Chemicals which destroy parasites.
The way that living thing produce offspring is called _______.
mature
stages
reproduction
the life cycle
What is variation?
Racial diversity
The variation of females and males
Variation of personalities
The differences between the individuals in a species
What adaptations do brown bears use?
Sharp teeth and claws
Sense of smell
Shape of paws
Brown fur
All of the above
Within a species there are naturally occurring differences in their traits is known as?
Evolution
Adaptations
Variations
Mutations
An inherited trait that helps an organism survive and reproduce in its environment is known as?
adaptation
genetic variation
natural selection
mutation
All of the fossils that have been discovered make up the what?
fossils
sediment
sedimentary rock
fossil record
trait
a distinguishing quality
giving an advantage to
to produce again
one of a set of prescribed movements
advantageous
adventurous
giving an advantage to
a distinguishable quality
to give off
advantageous
adventurous
giving an advantage to
a distinguishable quality
to give off
This dying out or extermination of a species.
Endangerment
Extinction
Ecologically Extinct
Extinct Species
One of the factors that can change the size of population is....
Name of schools
Number of dezs
Jobs
Numbers of births
What is a population ?
Disturbance has removed vegetation but left soil intact.
The natural birth, growth and development of ecosystem.
All organisms of a species that live in the same area.
A community of interacting organisms and their environment.
If the number of births in a population is higher than the number of deaths in a population, what will happen to the growth of the population?
it will increase
it will decrease
it will stay the same
it will fluctuate
Which words from the text help readers understand the word predators?
ice and snow
such as reindeer
animals that hunt
animals that eat
What is an example of potential energy?
A bowling ball rolling down a lane
A car parked in a lot
An apple falling from a tree
Sunlight heating up the atmosphere
Energy cannot be created or destroyed.
True
False
What type of energy transformation occurs when a piece of wood burns?
Electrical energy is released as radiant energy
Stored chemical energy is released as thermal energy
Mechanical energy is stored as chemical energy
No transformation occurs
What is Energy?
The ability to do anything
The ability to cause change or do work
The investigation of nature
A fact of life
Amino Acids are the monomers of __________.
Nucleic Acids
Proteins
Carbohydrates
Fats
Glycerol and fatty acids are the monomers of _________.
Fats
Carbohydrates
Proteins
Nucleic Acids
1. The four most common elements found in biomolecules are __________.
Sulfur, Phosphorus, Carbon, Oxygen
Carbon, Oxygen, Nitrogen, Hydrogen
Sulfur, Nitrogen, Carbon, Iron
Carbon, Nitrogen, Hydrogen, Sulfur
The energy stored in glucose is transferred to ________________.
A molecule known as ATP
A molecule known as ADP
water molecules
oxygen molecules
True or False: Cellular Respiration is a chemical reaction.
True
False
Which process does heterotrophs and autotrophs undergo in order to convert glucose into ATP?
cellular respiration
osmosis
photosynthesis
transcription
The process by which one or more substances change to produce one or more different substances
Chemical Process
Reactant
Chemical Reaction
Which change must take place in an endothermic reaction?
Bubbles of gas are released.
The mass decreases.
The temperature decreases.
The temperature increase
In an endothermic reaction, heat is ...
taken in
given out
What type of reaction is this?
Exothermic
Endothermic
Energy Producing
No way to tell
Are the products or reactants of this reaction storing more energy in their chemical bonds?
Both storing the same
No way to tell
Products
Reactants
This is the process by which foods are broken down into nutrients
absorption
metabolism
digestion
The process by which nutrients are removed from food as it moves through the small intestine.
digestion
absorption
metabolism
Biosynthesis is...
Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen (all cells release chemical energy of glucose)
Breaking down proteins and fats into amino acids and fatty acids and then combining them at cells to make proteins and fats for growth and repair
The process by which plants use sunlight to combine CO2 and H20 to make glucose
The process in which living organisms produce complex molecules/polymers from simple molecules/monomers
Biosynthesis
Cellular respiration
Energy
Matter
The ability to do work or produce heat.
Biosynthesis
Cellular respiration
Energy
Matter
Anything that has volume and mass, mostly made up of atoms, and takes up space
Biosynthesis
Cellular respiration
Energy
Matter
What does the skeletal system do?
Supports and protects the body
Moves blood around the body
Brings oxygen into the body and remove carbon dioxide
Digests food
Which organ system in humans is most directly involved in the transport of oxygen?
A. Nervous
B. Excretory
C. Digestive
D. Circulatory
What is one of the main functions of the endocrine system?
A. To provide support for different tissues
B. To coordinate the actions of its muscles
C. To control the coordination of gas exchange
D. To control the secretion of hormones
Which set of organs belong to the nervous system?
Heart, blood vessels
Kidneys, urinary bladder
Esophagus, stomach, intestines
Brain, spinal column
What is the nervous system's job?
Transports oxygen and nutrients
Removes extra water and wastes
Supports and protects the body and produces blood
Gets and gives information to the entire body
