Vocabulary
A scientist in another country performs the same experiment using the original procedure to verify the results. What is this called?
What is replication
What is the variable the scientist changes on purpose and is graphed on the x-axis?
What is independent variable
What must a scientific explanation be based on to be considered valid?
What is evidence
What explains why something happens based on evidence?
What is a Scientific Theory
Why is replication important in science?
What do you call information gathered using the senses?
What is an observation
What is the variable being measured and is graphed on the Y-axis?
What is dependent variable
A student claims that sugar makes plants grow faster. What should they do to support this explanation?
What is conduct an experiment and collect data
What describes what happens in nature, under the same conditions everytime?
What is a Law
Which statement best describes why models are useful in science?
A. They help scientists avoid doing experiments
B. They are exact copies of real systems
C. They help scientists explain and predict complex ideas
D. They prove scientific laws are correct
What is C.
A student runs the same experiment three times to check for consistent results. What is this process called?
What is repetition
In an experiment testing how fertilizer affects plant growth, one group of plants receives no fertilizer. What is this group called?
What is control group
Two classes perform the same experiment but get different results. What should they do?
What is check procedures and compare data
The theory that was updated after evidence of seafloor spreading was discovered
What is theory of plate tectonics
What does CER stand for?
What is Claim, Evidence, Reasoning
What is a conclusion based on observations?
What is an inference
In an experiment testing how the amount of water affects plant growth, what is the independent variable?
What is the amount of water
Why is it important for scientific explanations to be testable?
What is so they can be confirmed or disproven through investigation?
What is a well-supported explanation of natural events, such as how species change over time?
What is scientific theory
Why are theories updated and rarely discarded?
What is new evidence can improve them
What is a testable prediction?
What is a hypothesis
A student measures how tall a plant grows after changing the amount of sunlight it receives. What is the dependent variable?
What is how tall plant grows
What is the process called when other scientists review and evaluate your work before it is published?
What is peer review
What do scientists call a statement that describes a consistent relationship in nature, like gravity causing objects to fall?
What is scientific law
How does technology help scientists during investigations?
A. It replaces the need for experiments
B. It allows scientists to collect and analyze data more efficiently
C. It helps scientists avoid using models
D. It makes scientific laws easier to create
What is B