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WorksheetsYear 7 Practice Test
Total questions: 67
Worksheet time: 1hrs 19mins
What is the role of a sperm cell?
Deliver genetic material to an egg cell
Produce energy for the body
Transport oxygen in the blood
Protect the body from pathogens
Which organelle provides the energy required for a sperm cell to swim?
Nucleus
Flagellum
Mitochondria
Digestive enzymes
What is the main function of red blood cells?
Deliver oxygen to body tissues
Produce hormones
Filter waste from the blood
Store nutrients
Which of the following is an example of a specialized cell in plants?
Sperm cell
Muscle cell
Nerve cell
Root hair cell
Which type of specialized cell carries oxygen from the lungs all over the body?
red blood cells
squamous (skin) cells
muscle cells
white blood cells (macrophages)
nerve cells (neurons)
Which type of specialized cell has many mitochondria and changes size (contracts)?
red blood cells
squamous (skin) cells
muscle cells
white blood cells (macrophages)
nerve cells (neurons)
Which type of specialized cell protects the body by destroying germs?
red blood cells
squamous (skin) cells
muscle cells
white blood cells (macrophages)
nerve cells (neurons)
Which type of specialized cell carries electrical signals through the body to the brain?
red blood cells
squamous (skin) cells
muscle cells
white blood cells (macrophages)
nerve cells (neurons)
Which type of specialized cell sticks out into the soil, allowing water into the plant?
xylem
guard cells
epidermis cells
phloem
root hair cells
Red blood cells have a disk-shape with a lot of surface area.
This statement describes a STRUCTURE.
This statement describes a FUNCTION.
Which of the following is the correct order of organization in living things from most basic (simple) to most complex?
a. Cell, tissue, organ, organism, organ system
a. Organism, organ system, organ, tissue, cell
a. Cell, tissue, organ, organ system, organism
a. Cell, organ, tissue, organ, organism, organ system
This is a example of a/an
organ system
cells
organ
tissue
This is an example of a/an
cell
organ system
organ
tissue
What are the two main reasons why cells must reproduce in a multicellular organism?
Growth
They want to
Repair
Age
A specialized cell has a specific ________ that allows it to perform a specific __________.
function; idea
shape; structure
shape; function
function; shape
A multicellular organism has
only 1 cell working by itself
composed of many cells working together
Which of the following is not a type of specialized cell?
Neuron
Red Blood Cell
Skin Cell
Heart
Multicellular organisms are composed of only one type of cell
True
False
Food, fuels and batteries have energy in this energy store
Chemical
Thermal
Gravitational Potential
Elastic
A stretched rubber band has energy in this energy store
Magnetic
Electrostatic
Elastic
Nuclear
What does the Law of Conservation of Energy state?
energy is always created, but not destroyed
energy cannot be created or destroyed
energy cannot be created, but can be destroyed
energy is always being created and destroyed
What does the Law of Conservation of Energy state?
energy is always created, but not destroyed
energy cannot be created or destroyed
energy cannot be created, but can be destroyed
energy is always being created and destroyed
Which action below is converting electrical to thermal energy?
An electric vacuum cleaner
An electric toothbrush
An electric toaster
Energy of motion is
potential energy
kinetic energy
elastic energy
chemical energy
______________________ occurs when energy changes from one form to another.
Energy transformation
Energy transfer
Energy balance
Energy equilibrium
_______________________ is stored energy to position or arrangement of particles in an object.
Kinetic energy
Potential energy
Thermal energy
Electrical energy
How does heat transfer when noodles are cooked on the stove?
Heat moves from the water to the noodles to the stove
Heat moves from the stove to the air to the noodles
Heat moves from the stove to the pot to the water to the noodles
Heat moves from the pot to the air to the stove to the noodles
Burning coal or carbon-based fuel at a powerplant?
What type of energy is made by vibrations and does not travel through empty space?
sound energy
light energy
electrical energy
chemical energy
__________ is an energy resource that WILL NOT run out in the next several hundred years.
Renewable Energy Resource
Non-Renewable Energy Resource
Which of the following is a renewable resource?
Oil
Solar
Coal
Natural Gas
Which of the following is a non-renewable resource?
Water
Sun
Coal
Win
Hyrdo Power is a __________ energy resource.
Renewable
Non-renewable
Solar Power is a __________ energy resource.
Renewable
Non-renewable
Natural Gas is a __________ energy resource.
Renewable
Non-renewable
Fossil Fuel are?
A group of energy resources that were formed from ancient plants and organisms
A group of dinosaur fossils
A type of gas used for planes
Scenario 1: A student is conducting an experiment to determine how different amounts of sunlight affect the growth of tomato plants.
What is the Independent Variable?
Amount of sunlight
Growth of tomato plants
Type of tomato plant
Type of soil
Temperature
Scenario 1: A student is conducting an experiment to determine how different amounts of sunlight affect the growth of tomato plants.
What is the Dependent Variable?
Amount of sunlight
Growth of tomato plants
Type of tomato plant
Type of soil
Temperature
Scenario 1: A student is conducting an experiment to determine how different amounts of sunlight affect the growth of tomato plants.
What are THREE controlled variables that are NOT independent or dependent variables? Select ALL that apply!
Amount of sunlight
Amount of water
Type of soil
Temperature
Growth of Tomato Plant
Scenario: A scientist is investigating how the length of a pendulum affects the time it takes for one full swing.
What is the independent variable?
Length of the pendulum
Time for one full swing
Mass of the pendulum bob
initial angle
air resistance
Scenario: A scientist is investigating how the length of a pendulum affects the time it takes for one full swing.
What is the dependent variable?
Length of the pendulum
Time for one full swing
Mass of the pendulum bob
initial angle
air resistance
Scenario: Students are experimenting with different paper airplane designs to see which one travels the farthest distance.
What is the independent variable?
Type of paper
Launching force
Air resistance
Paper airplane design
Distance traveled by the paper airplane
Scenario: Students are experimenting with different paper airplane designs to see which one travels the farthest distance.
What is the dependent variable?
Type of paper
Launching force
Air resistance
Paper airplane design
Distance traveled by the paper airplane
Scenario: Researchers are studying how varying incubator temperatures impact the hatch rate of chicken eggs.
What is the independent variable?
Hatch rate of chicken eggs
Type of chicken eggs
Humidity
Egg turning frequency
Incubator temperature
Scenario: Researchers are studying how varying incubator temperatures impact the hatch rate of chicken eggs.
What is the dependent variable?
Hatch rate of chicken eggs
Type of chicken eggs
Humidity
Egg turning frequency
Incubator temperature
In a study exploring how different types of music affect heart rate, what would be considered controlled variables but NOT an independent or dependent variable? Select all that apply.
Type of music
Heart rate
Volume of music
Duration of experiment
What is the purpose of a controlled variable in a scientific experiment?
It is the variable that we manipulate to test our hypothesis.
It is the variable that changes in response to the independent variable.
It is a factor that we keep constant to ensure a fair test.
It is the outcome or result we are trying to measure.
In a science experiment, which variable is the one that you deliberately change or manipulate to see its effect?
Controlled variable
Independent variable
Dependent variable
Control group
Which of the following best describes the dependent variable in a scientific experiment?
The variable that we keep constant to ensure accuracy.
The variable that we manipulate to test our hypothesis.
The variable that we measure or observe to see how it responds to changes.
The variable that we use as a standard for comparison.
A scientist is conducting an experiment to see how the weight of a car affects its fuel efficiency. What is the dependent variable in this experiment?
The weight of the car
The type of fuel used
The fuel efficiency of the car
The color of the car
In an experiment investigating the effect of different amounts of light on plant growth, which variable represents the amount of light?
Independent variable
Dependent variable
Controlled variable
Control group
What term is used for the group in an experiment that does not receive the experimental treatment and is used as a baseline for comparison?
Independent variable
Dependent variable
Control group
Controlled variable
In a science experiment, why is it important to clearly define and identify the variables?
To make the experiment more complicated
To confuse the participants
To ensure that the experiment is not repeatable
To communicate the purpose and design of the experiment and its results effectively
Which specialised cell is this?
Root hair cell
Palisades cell
Sperm cell
Red Blood cell
Which plant cell is this?
Normal plant cell
Palisades
Xylem
Phloem
A student was looking at specialised cells using a microscope. They observed one cell that had tiny hair-like structures on its surface. Which type of cell is this most likely to be?
ciliated cell
muscle cell
red blood cell
sperm cell
