The Practice of Science - Define a problem from the seventh grade curriculum, use appropriate reference materials to support scientific understanding, plan and carry out scientific investigation of various types, such as systematic observations or experiments, identify variables, collect and organize data, interpret data in charts, tables, and graphics, analyze information, make predictions, and defend conclusions.
Forms of Energy - Illustrate that the sun's energy arrives as radiation with a wide range of wavelengths, including infrared, visible, and ultraviolet, and that white light is made up of a spectrum of many different colors.
Energy Transfer and Transformations - Recognize that adding heat to or removing heat from a system may result in a temperature change and possibly a change of state.
Energy Transfer and Transformations - Observe and describe that heat flows in predictable ways, moving from warmer objects to cooler ones until they reach the same temperature.
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Q 1/40
Score 0
Which statement best describes repetition in scientific experiments?
30
Repetition is about changing variables to see different outcomes.
Repetition means asking different scientists to perform the experiment.
Repetition involves conducting the same experiment multiple times to check for consistency.
Repetition requires using different tools and methods each time.
Q 2/40
Score 0
What is the main difference between replication and repetition in scientific practice?
30
Replication refers to exact copying, while repetition refers to changing variables.
Replication involves different scientists conducting the same experiment, whereas repetition involves conducting multiple trials of the same experiment.
Replication is done to change the results, while repetition is to verify them.
Replication requires different materials, while repetition uses the same materials.
40 questions
Q.
Which statement best describes repetition in scientific experiments?
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What is the main difference between replication and repetition in scientific practice?
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In an experiment, why would a scientist perform multiple trials?
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What is the main purpose of a hypothesis in a scientific investigation?
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Q.
What forms of energy does the sun's radiation include?
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Which component of sunlight can be seen by the human eye?
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Which color of visible light has the longest wavelength?
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What process causes sunlight to separate into a spectrum of colors when it passes through a prism?
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What happens to white light when it passes through a prism?
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What is one way we can see that the sun's white light is made up of many colors?
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When a beam of light passes through a glass of water, what can happen to the light?
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What occurs when light hits a shiny surface like a mirror?
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What happens to light when it passes through a prism?
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What happens to light when it hits a black surface?
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Which of the following best describes what happens when light passes from air into water?
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What happens to sunlight when it strikes the surface of a white wall?
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When light passes through a lens, what happens to the light?
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What process occurs when light is transformed into heat upon striking an object?
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Why does a straw appear bent when placed in a glass of water?
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Which type of wave typically travels fastest in a vacuum?
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Which material allows sound waves to travel faster compared to air?
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In which material do light waves travel slower, compared to air?
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Which type of wave requires a medium to travel through?
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Which type of wave can travel through a vacuum?
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In which material do sound waves typically travel the slowest?
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What is the effect of temperature on the speed of sound in air?
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During which process does a liquid absorb heat and change into a gas?
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Which of the following will happen when heat is continually added to boiling water?
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Which change of state occurs when heat is removed from a liquid at its freezing point?
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What happens to the particles of a solid when it is heated and turns into a liquid?
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What process occurs when a gas releases energy and changes into a liquid?
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Q.
When you place a hot cup of cocoa on a cold countertop, what will happen over time regarding the temperatures of the cocoa and the countertop?
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If you put an ice cube in a cup of hot water, what will happen to the temperatures of the ice and the water over time?
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Q.
What happens to the temperature of a cold metal spoon when it is placed in a cup of hot soup?
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Q.
Why does a cup of hot coffee left on a table eventually cool down to room temperature?
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What will happen if a warm can of soda is placed in a refrigerator?
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If you touch a metal doorknob on a cold day, why does it feel cold?
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What occurs when a cold lemonade is left outside on a hot summer day?
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Why does the temperature of hot soup in a thermos remain warmer for a longer time than in an open bowl?
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Q.
What happens when a block of ice is placed in a room at room temperature?
