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WorksheetsYearly Science Review
Total questions: 89
Worksheet time: 45mins
What is an observation?
A guess about what will happen in an experiment
Information collected using the senses or tools
A step that comes after the conclusion in an experiment
A question that cannot be answered with evidence
Which of the following is an example of a hypothesis?
The plant grew 3 inches in two weeks.
If plants receive more sunlight, then they will grow taller.
I recorded the height of the plant every two days.
The plant was green and had five leaves.
What is the purpose of an experiment?
To test a hypothesis by gathering data
To find the correct answer to any science question
To guess what will happen in the future
To make a scientific model
What is a variable in an experiment?
The result of the experiment
The part of the experiment that never changes
A factor that can be changed or measured
A tool used to record data
What is the independent variable in an experiment?
The factor that is being changed on purpose
The factor that is being measured
The factor that stays the same
The final result of the experiment
What is a conclusion in a scientific investigation?
A summary that explains what was learned from an experiment
A guess about what will happen next time
The tools used to conduct the experiment
The process of recording observations
Why is data important in an experiment?
It helps scientists prove their opinions.
It provides evidence to support or reject a hypothesis.
It makes an experiment more fun.
It is the only part of an experiment that can change.
What is scientific evidence?
Information collected from personal opinions
Facts and data that support a claim or conclusion
Predictions about what will happen in an experiment
The guess made before an experiment begins
What is a scientific model?
A smaller or larger representation of something used to study it
A set of rules that scientists must follow
A real-life version of an experiment
A random guess about how something works
What is a prediction in science?
A guess made with no evidence
A statement about what might happen based on past experiences or data
The final step in an experiment
The factor that is changed on purpose in an experiment
Which of the following is an example of matter?
Light
Heat
Air
Sound
Which of the following is NOT a property of a solid?
It has a definite shape.
Its particles are closely packed.
It takes the shape of its container.
It has a definite volume.
What is mass?
The amount of space an object occupies
The weight of an object on Earth
The measure of the amount of matter in an object
The force an object exerts on Earth
What is volume?
The amount of matter in an object
The amount of space an object takes up
The weight of an object
The density of a liquid
What is density?
The mass of an object divided by its volume
The amount of space an object occupies
The weight of an object
The shape of an object
What is an example of force?
A car stopping at a red light
The wind blowing on a tree
A ball rolling across the floor
A book sitting on a table
What is motion?
The force of gravity on an object
The change in an object's position over time
The amount of space an object takes up
The speed at which an object moves
What force pulls objects toward the Earth?
(a)
What does friction do?
It pushes objects away from each other.
It prevents objects from moving.
It helps objects move more easily.
It causes objects to change color.
Which type of energy is stored in a stretched rubber band?
Kinetic energy
Thermal energy
Chemical energy
Potential energy
What is an organism?
A type of plant that can produce food
A living thing, such as a plant or animal
A part of an ecosystem that provides energy
A type of cell in the human body
What is the basic unit of life in all living things?
Atom
Organ
Cell
Organism
What is an adaptation?
A process that helps organisms move
A change that helps an organism survive in its environment
A type of food chain
The process of moving from one place to another
Which of the following best describes an ecosystem?
A food chain showing who eats what
A community of living organisms interacting with their environment
A group of organisms from the same species
A process in which animals hunt for food
What is the main difference between a food chain and a food web?
A food web is based on animals, and a food chain is based on plants.
A food chain shows one path of energy, while a food web shows many interconnected paths.
A food web shows only one path of energy, while a food chain shows multiple paths.
A food chain has no producers, while a food web does.
What is a producer in an ecosystem?
An organism that makes its own food
An organism that breaks down dead matter
An organism that eats other organisms
An organism that provides food to consumers
What type of animal is an herbivore?
An animal that eats both plants and animals
An animal that eats plants
An animal that eats fungi
An animal that eats other animals
Which of the following is an example of a habitat?
The place where a bear lives
A bear’s food
A bear’s eating habits
The type of climate in which a bear lives
What is a life cycle?
The stages through which an organism passes from birth to death
The period of time an organism spends in its environment
The process by which organisms adapt to their surroundings
The way organisms learn to find food
Which of the following is an example of an inherited trait?
A bird building a nest
The color of a flower’s petals
Learning to speak
A dog’s trick of sitting on command
What is weathering?
The breaking down of rocks into smaller pieces
The process of moving rocks from one place to another
The process by which water moves through the Earth
The formation of new rocks from minerals
What is erosion?
The breaking down of rocks
The process that transports sediment from one place to another
The process of forming new minerals
The evaporation of water from Earth’s surface
What happens during the process of evaporation in the water cycle?
Water vapor cools and turns into liquid water
Water moves from plants to the atmosphere
Water changes from a liquid to a gas
Water falls from the sky as rain
What is the atmosphere?
The layer of rock under the Earth's surface
The layer of gases that surrounds Earth
The part of Earth where weather occurs
The heat energy from the sun
What is the main difference between climate and weather?
Weather is the average condition over a long period of time; climate is the day-to-day condition.
Weather refers to short-term atmospheric conditions; climate refers to long-term patterns.
Weather changes over years; climate changes daily.
Weather is based on clouds; climate is based on temperature.
What is a renewable resource?
A resource that can be replaced naturally over time
A resource that cannot be replenished once used
A resource that is found in limited quantities
A resource that can be used only once
Which of the following best describes the rock cycle?
The process of rocks being formed and destroyed in an ongoing cycle
The transformation of rocks into different colors
The movement of rocks across Earth's surface
The process of melting rocks into lava
What is a fossil?
A mineral that forms inside rocks
A type of renewable resource
The preserved remains of ancient organisms
A part of the Earth's atmosphere
What is the solar system?
A group of galaxies orbiting a star
The planets and other objects that orbit the Sun
The region of space where asteroids are found
The area of space beyond Pluto
What force is responsible for keeping planets in orbit around the Sun?
Magnetism
Friction
Gravity
Inertia
Which of the following is an example of a physical change?
Burning a piece of paper
Freezing water into ice
Rust forming on a metal object
Digesting food
What is the main function of the roots of a plant?
To produce food for the plant
To support the plant and hold it upright
To absorb water and nutrients from the soil
To attract pollinators
Which of the following best describes a force?
A push or pull that can change the motion of an object
The speed at which an object moves
The amount of matter in an object
The temperature of an object
Which of the following is a renewable resource?
Coal
Oil
Wind
Natural gas
In which part of the water cycle does water change from a gas to a liquid?
Evaporation
Condensation
Precipitation
Infiltration
What happens when the amount of sunlight reaching Earth changes throughout the year?
The seasons change
The length of the day remains the same
The amount of precipitation stays constant
The Sun's gravity increases
How does the Sun affect Earth's climate?
The Sun provides heat and light that influence Earth's temperature and weather patterns.
The Sun reflects heat away from Earth, cooling the planet.
The Sun's energy has no effect on Earth's climate.
The Sun absorbs energy from Earth, making it warmer.
Which of the following best explains why animals migrate?
To reproduce in a safe environment
To avoid being eaten by predators
To find food and suitable living conditions
To grow larger and stronger
What is the role of decomposers in an ecosystem?
To produce energy for the food chain
To break down dead plants and animals into nutrients
To capture sunlight and make food
To help animals find food
What force pulls objects toward the Earth?
Magnetism
Friction
Gravity
Inertia
Which of the following best describes a balanced force?
A force that causes an object to move in a straight line
A force that is stronger than any other force acting on an object
Two forces that are equal in size but opposite in direction
A force that speeds up an object
What is the primary function of a plant's leaves?
To absorb water from the soil
To make food for the plant through photosynthesis
To store nutrients for the plant
To support the plant and keep it upright
Which layer of the Earth is made up of mostly liquid iron and nickel?
Crust
Mantle
Outer core
Inner core
What is the most important factor that determines an area’s climate?
The number of plants in the area
The temperature of the soil
The amount of sunlight the area receives
The speed of the wind in the area
Which of the following is an example of a chemical change?
Ice melting
Water evaporating
Paper burning
Salt dissolving in water
What type of rock forms from cooling and solidification of molten rock?
Sedimentary rock
Metamorphic rock
Igneous rock
Fossilized rock
How do clouds form in the water cycle?
Water vapor cools and condenses into tiny water droplets
Water evaporates into the air and turns into ice
Rainfall evaporates and forms clouds
Water from the ocean is sucked up by the atmosphere
Which type of energy is stored in the bonds of atoms and molecules?
Kinetic energy
Thermal energy
Chemical energy
Electrical energy
What is the best way to describe the force of friction?
The force that pulls objects downward
The force that resists the motion of objects sliding past each other
The force that causes objects to move in a circular path
The force that makes objects float
Which of the following is NOT a characteristic of a living organism?
It can grow and develop
It can reproduce
It can produce energy from the Sun
It is made of cells
Which of the following properties can be used to identify an unknown material?
Color, size, and shape
Taste, smell, and texture
Mass, volume, and density
Speed, direction, and location
Which of the following materials do plants primarily obtain from air and water to help them grow?
Oxygen and nutrients
Water and carbon dioxide
Minerals and sunlight
Sugar and soil
Why do objects fall toward the ground when dropped from a height?
Because they are heavier than air
Because of Earth's gravity pulling them down
Because of the force of the wind
Because of the Earth's rotation
When testing a model of a bridge, which of the following should be controlled to ensure a fair test?
The weight of the material used
The height of the bridge
The temperature of the testing environment
The type of vehicle that crosses the bridge
Which part of the water cycle moves water from Earth's surface to the atmosphere?
Precipitation
Evaporation
Condensation
Infiltration
What is the main reason the Sun is important for life on Earth?
It provides heat and light, which are necessary for plants to grow and for animals to survive.
It causes all weather patterns to form.
It helps in the creation of minerals.
It keeps the Earth's gravity balanced.
How do animals adapt to their environments?
By changing the color of their fur to match the season
By developing physical features or behaviors that help them survive
By learning new behaviors from humans
By changing their diet when needed
What happens when a solid turns into a liquid?
It freezes
It evaporates
It melts
It condenses
Which of the following tools would you use to measure the mass of an object?
Thermometer
Ruler
Balance scale
Graduated cylinder
Which of these describes the physical properties of a material?
It reacts with acid
It changes color when heated
It is a conductor of electricity
It is soft and can be shaped easily
What happens to the particles of a substance when it is heated?
They move slower and stay close together.
They move faster and spread farther apart.
They stop moving completely.
They change color.
What is the best way to organize properties of materials?
By their color
By their size only
By their state of matter and physical properties like density and hardness
By their weight
How does Earth's rotation affect life on Earth?
It causes day and night.
It determines the weather patterns.
It causes the seasons.
It controls the moon's orbit.
How does the revolution of Earth around the Sun affect the seasons?
It causes the Sun to get closer or farther from Earth, changing the temperature.
It causes the tilt of Earth's axis to create different seasons as Earth moves in orbit.
It keeps Earth's temperature constant throughout the year.
It causes Earth's gravity to change.
What is the process of photosynthesis?
The process by which plants take in oxygen and release carbon dioxide.
The process by which plants use sunlight to make their own food.
The process by which plants get rid of waste.
The process by which plants grow taller.
What is the role of energy transfer in a food chain?
Energy is transferred from one organism to another through consumption.
Energy is stored in the soil for plants.
Energy is transferred through water.
Energy is transferred from the Sun only.
What is the best definition of a habitat?
A place where animals gather to hunt
The home or environment where an organism lives
A place where animals hide from predators
The environment in which a food chain operates
What is the difference between freshwater and seawater?
Freshwater has a higher salt content than seawater.
Freshwater contains more minerals than seawater.
Freshwater contains very little salt, while seawater is salty.
Freshwater is found only in lakes, while seawater is found only in oceans.
What causes ocean currents?
The Earth's magnetic field
The movement of wind across the surface of the ocean
The Sun's rays
The rotation of the Earth
How do weather patterns change over time?
They are controlled by the Sun and Earth's rotation.
They remain the same year-round.
They are affected by air pressure, temperature, and humidity.
They are determined by the Moon's position.
Why does the Sun appear to move across the sky during the day?
Because Earth rotates on its axis, making it appear as though the Sun moves.
Because the Sun moves around Earth.
Because Earth revolves around the Moon.
Because the Sun changes its position every day.
What are constellations?
A group of planets that orbit together.
A group of stars that form patterns in the sky.
A group of stars that create a solar system.
A group of moons that surround Earth.
What is the purpose of engineering in solving problems?
To create new inventions to improve people's lives.
To make natural resources more available.
To observe and record information.
To predict future outcomes.
What is the best definition of a claim in science?
A question that needs to be answered.
A statement that explains or answers something.
A detailed list of scientific facts.
A step-by-step process of an experiment.
What does evidence mean in a scientific explanation?
A guess about what might happen.
Information from experiments or observations that support a claim.
A random fact that sounds interesting.
A sentence that restates the claim.
What does reasoning mean in the CER method?
A statement that connects the evidence to scientific ideas.
A conclusion without any explanation.
A description of an experiment’s materials.
A summary of all the data collected.
In the CER (Claim, Evidence, Reasoning) method, what is the purpose of the claim?
To provide proof using facts and data
To answer a question or explain an idea
To connect information to a scientific principle
To describe an experiment
Which of the following best describes evidence in CER (Claim, Evidence, Reasoning)?
A personal opinion about a topic
A made-up explanation for an event
Facts, data, or observations that support the claim
A question that needs to be answered
Why is reasoning important in a CER (Claim, Evidence, Reasoning) response?
It helps explain why the evidence supports the claim
It provides extra facts that are unrelated to the claim
It repeats the claim in a different way
It makes the explanation longer
