Claim Evidence Reasoning
What is CER
A writing model to help students learn to write and think scientifically
What is CER
Temperature outside

What is 38oC
The base units we use in science.
What is grams, liters, and meters
1 m = ______ cm
What is 100 cm
A statement that answers the question
What is the Claim
This is the data, observations, facts, and details that support the Claim
What is Evidence
What is the length of the Lego?
What is 4.8 cm
Temperature shown of science classroom
What is 40oC
78.4 dal = ? ml
What is 784,000 ml
This explains how or why the evidence supports the claim
What is Reasoning
does not include evidence, an explanation, or reasoning
What is the Claim
is the internationally accepted system of measurement used by scientists around the world
What is the International System of Units
Pencil length

What is 11 cm
7,539 dm = ? dam
What is 75.39 dam
Basketball is the best sport to increase cardiovascular health
What is a Claim
Explains how the evidence and claim are tied together
What is Reasoning
:max_bytes(150000):strip_icc():format(webp)/meniscus01-58b5b2c03df78cdcd8ab8299.png)
What is the volume of the object being measured
What is 24 ml
What is the mass of the object?
What is 538 g
9.7 kg = ? g
What is 9,700 g
Can be qualitative (describe) or quantitative
What is Evidence
Temperature's Impact on Reaction Rate
Temperature 4oC 45oC 85oC
Reaction Time 127 sec 94 sec 48 sec
Based on this evidence, what Claim could be made
A reaction happens faster at higher temperatures.
The Mass of the object
What is 373.3 g
:max_bytes(150000):strip_icc():format(webp)/meniscus03-58b5b2ea5f9b586046bb3551.png)
What is the volume of the object being measured
What is 38 ml
45.973 g = ? hg
What is 0.45973 hg