Module 1 Test
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What does CER mean?
CER is “Claim Evidence Reasoning”.
What is CER?
CER is a strategy used to construct explanations and craft scientific arguments.
What does a scientific claim do?
It answers a question or offers a solution to a problem
What does scientific evidence do?
It is information that supports or contradicts a claim.
What is a revised claim?
If the evidence contradicts your claim, revise it according to the evidence.
What does reasoning do?
It explains how and why your evidence supports your claim.
How might plants and buildings be related?
They may be created from the exact same elements or similar elements of a related family.
Why do scientists need standard units of measurements?
They need this so they can report data that can be reproduced by other scientists.
What is the revised international unit system called?
Systéme Internationale d’Unités (SI)
What is the base unit of time?
Seconds (s)
What is the base unit of length?
Meters (m)
What is the base unit of mass?
Kilograms (kg)
What is the base unit of temperature?
Kelvin (K)
What is the base unit of the amount of a substance?
Mole (mol)
What is the base unit of electric current?
Ampere (A)
What is the base unit of luminous intensity?
Candela (Cd)
What are the three temperature scales that are commonly used to describe how hot or cold an object is?
Kelvin, Celsius, and Fahrenheit
Can all quantities be measured with SI base units?
No
What are some quantities that are measured in derived units?
Speed, volume, and density.
What is the SI unit of speed?
Meters per second (m/s)
What is the density equation?
Density= mass/volume
Why do scientists use scientific notation?
To restate the number in simpler terms, without changing its value.
What must a conversion factor accomplish?
It must cancel out one unit and introduce a new one
What does dimensional analysis do?
It uses conversion factors to solve problems