CER Writing
Lab Safety Procedures
Lab Equipment
Metric System
Scientific Notation
100

What does the acronym CER stand for in scientific writing?

Claim, Evidence, Reasoning.

100

What should you always wear when conducting experiments?

Safety goggles.

100

What is the purpose of a beaker?

To hold and mix liquids.

100

What is the basic unit of length in the metric system?

Meter (m)

100

Express the number 4500 in scientific notation.

4.5 x  10^3

200

What is the purpose of the "Claim" in CER writing?

To state the main argument or position regarding a scientific observation or question.

200

 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.

200

Which piece of equipment is used to measure mass?

A balance.

200

How many centimeters are in a meter?

100 centimeters.

200

What is the significance of the exponent in scientific notation?

It indicates how many places the decimal point is moved.

300

How do you support your "Claim" in CER writing?

By providing "Evidence" that includes data, observations, or facts that support the claim.

300

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.

300

What is a graduated cylinder used for?

To measure the volume of liquids accurately.

300

What metric unit would you use to measure the mass of a small object?

Grams (g).

300

Convert (3.2 x 10^4) to standard form.

32,000

400

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.

400

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.

400

 Identify the purpose of a Bunsen burner in the lab.

To provide a controlled flame for heating substances.

400

Convert 2.5 kilometers to meters.

2500 meters.

400

What is the rule for coefficients? 

Must be between 1 and 10

500

Why is CER important in scientific communication?

It helps in clearly articulating scientific ideas and enables others to understand and evaluate the argument presented.

500

List three types of personal protective equipment (PPE) required in the lab.

Gloves, lab coats, and safety goggles.

500

Describe the function of a pipette.

  • To transfer small volumes of liquid with precision.


500

Convert 0.85 hg to dg 

850 decigrams (dg)

500

Simplify the expression (2 x 10^3) x (3 x 10^2)

 6 x 10^5