What does the acronym CER stand for in scientific writing?
Claim, Evidence, Reasoning.
What should you always wear when conducting experiments?
Safety goggles.
What is the purpose of a beaker?
To hold and mix liquids.
What is the basic unit of length in the metric system?
Meter (m)
Express the number 4500 in scientific notation.
4.5 x 10^3
What is the purpose of the "Claim" in CER writing?
To state the main argument or position regarding a scientific observation or question.
What is the first thing you should do if a chemical spills on your skin?
Rinse the affected area with water immediately and inform the teacher.
Which piece of equipment is used to measure mass?
A balance.
How many centimeters are in a meter?
100 centimeters.
What is the significance of the exponent in scientific notation?
It indicates how many places the decimal point is moved.
How do you support your "Claim" in CER writing?
By providing "Evidence" that includes data, observations, or facts that support the claim.
Why is it important to know the location of the safety shower and eyewash station?
In case of an emergency, these stations provide immediate assistance to minimize injury.
What is a graduated cylinder used for?
To measure the volume of liquids accurately.
What metric unit would you use to measure the mass of a small object?
Grams (g).
Convert (3.2 x 10^4) to standard form.
32,000
What is the role of "Reasoning" in CER writing?
To explain how the evidence supports the claim and to connect the evidence to scientific principles.
What should you do with leftover chemicals after an experiment?
Dispose of them according to the teacher’s instructions and never pour them down the sink unless instructed.
Identify the purpose of a Bunsen burner in the lab.
To provide a controlled flame for heating substances.
Convert 2.5 kilometers to meters.
2500 meters.
What is the rule for coefficients?
Must be between 1 and 10
Why is CER important in scientific communication?
It helps in clearly articulating scientific ideas and enables others to understand and evaluate the argument presented.
List three types of personal protective equipment (PPE) required in the lab.
Gloves, lab coats, and safety goggles.
Describe the function of a pipette.
To transfer small volumes of liquid with precision.
Convert 0.85 hg to dg
850 decigrams (dg)
Simplify the expression (2 x 10^3) x (3 x 10^2)
6 x 10^5