Find the Claim
“Plants grow taller when they get sunlight. The plant in sunlight grew 5 cm in one week. Sunlight helps plants make food to grow.” Which sentence is the claim?
“Plants grow taller when they get sunlight.”
Read the sentences:
“Ice melted faster in warm water. The ice melted in 3 minutes in warm water. Warm water transfers heat faster.” Which sentence is the evidence?
“The ice melted in 3 minutes in warm water.”
Read the sentences:
“The ball rolled farther on the smooth floor. The ball rolled 2 meters on tile. Smooth surfaces have less friction.” Which sentence is the reasoning?
“Smooth surfaces have less friction.”
Claim is clear and answers the question, evidence is measured, reasoning uses science words. What score is this CER?
4
Evidence score = 1. What is missing? A. Opinion B. Measurements or observations C. Claim
Answer: B – Measurements or observations
“The shoe got cleaner after being washed with soap. The shoe had less dirt after scrubbing for 2 minutes. Soap breaks apart dirt and oil.” Which sentence is the claim?
“The shoe got cleaner after being washed with soap.”
“The shoe got cleaner after being washed with soap. The shoe had less dirt after scrubbing for 2 minutes. Soap breaks apart dirt and oil.” Which sentence is the evidence?
“The shoe had less dirt after scrubbing for 2 minutes.”
“The shoe got cleaner after being washed with soap. The shoe had less dirt after scrubbing for 2 minutes. Soap breaks apart dirt and oil.” Which sentence is the reasoning?
“Soap breaks apart dirt and oil.”
Evidence has numbers and observations. What score is it?
Answer: 3 or 4 Depending on the accuracy of the data.
Claim: 4, Evidence: “It worked”, Reasoning: 4. Which part has the lowest score?
Evidence, missing numbers or reliable observations
Question: Which sentence is the claim? A. “The plant grew 5 cm” B. “Plants need sunlight to grow” C. “We measured the plant”
Answer: B – “Plants need sunlight to grow”
Which is evidence?
A. “I think it grew”
B. “The ruler showed 6 cm”
C. “Plants grow fast”
Answer: B – “The ruler showed 6 cm”
Question: Which is reasoning? A. “The water was hot” B. “The water was 80°F” C. “Hot water dissolves soap faster”
C – “Hot water dissolves soap faster”
Evidence says: “I think it worked.” What score is it?
1
Claim 4: “Soap cleans shoes”, Evidence 2: “They looked better”, Reasoning 4: “Soap breaks apart dirt”. What needs improvement?
Answer: Evidence Daily Double, Can you calculate the percentage score this student would have?
A claim should answer what question? A. What happened? B. Why did it happen? C. What did I measure?
A – What happened?
Is this good evidence?
“It looked better.” If NO, write better evidence.
Answer: No Example improved evidence: “The shoe had fewer stains after scrubbing for 2 minutes.”
Is this good reasoning?
“Because science” If NO, write better reasoning.
Answer: No Example improved reasoning: “Soap breaks apart dirt and oil, which helps remove stains.”
Reasoning connects evidence to science ideas. What score is it?
4
Why is this evidence weak?
“It changed.”
Answer: No details or data
Is this a good claim?
“I think plants are cool.” If NO, write an improved claim.
Answer: No Example improved claim: “Plants grow taller when they get sunlight.”
Fix the evidence:
“The shoe got cleaner.” What should be added?
Add numbers, time, or observations Example: “The shoe had fewer stains after 2 minutes.”
Good reasoning should include: A. Opinions B. Data only C. Science ideas and explanations
Answer: C – Science ideas and explanations
Which CER part is most often weakest? A. Claim B. Evidence C. Reasoning
B – Evidence
How can you improve weak evidence? A. Add feelings B. Add guesses C. Add data and observations
Answer: C – Add data and observations