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Science 7th Grade Ages 12–13
7th Grade Science — Data and Evidence — Accuracy Versus Precision A free 1-page hands-on science activity for 7th Grade (ages 12–13). It practices science, observation, inquiry. Download the PDF with no account and no email.
Free printable accuracy versus precision science worksheet. Accuracy describes how close a measurement is to the true value, while precision describes how close repeated measurements are to one another. A trustworthy result should be both accurate and precise. Part of the Data and Evidence lesson track. For 7th Grade Science (ages 12–13).
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Lab Report — Accuracy Versus Precision SCIENCE · 7TH GRADE Name Date Complete this lab report for your investigation. Purpose / Research Question: Which liquid keeps a cut apple from turning brown? Materials: apple, knife (adult), lemon juice, water, milk, vinegar, 4 saucers, timer Hypothesis (If... then... because...): If the liquid is acidic, then browning will... Independent Variable: The liquid brushed onto the apple slice Dependent Variable: How brown the slice looks after 1 hour Procedure: 1. Cut four slices of the same size 2. 3. Leave all four on saucers in the same place 4. 5. Score the browning from 0 to 5 Data / Results: Liquid 20 min 60 min None (control) Lemon juice Water Trial 4 Conclusion: The slice that stayed freshest was... because... www.littleactivity.com 7th Grade · Science
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Lab Report — Accuracy Versus Precision SCIENCE · 7TH GRADE Name Date Complete this lab report for your investigation. Purpose / Research Question: Which liquid keeps a cut apple from turning brown? Materials: apple, knife (adult), lemon juice, water, milk, vinegar, 4 saucers, timer Hypothesis (If... then... because...): If the liquid is acidic, then browning will... Independent Variable: The liquid brushed onto the apple slice Dependent Variable: How brown the slice looks after 1 hour Procedure: 1. Cut four slices of the same size 2. 3. Leave all four on saucers in the same place 4. 5. Score the browning from 0 to 5 Data / Results: Liquid 20 min 60 min None (control) Lemon juice Water Trial 4 Conclusion: The slice that stayed freshest was... because... www.littleactivity.com 7th Grade · Science
Observation Log — Sense of Sight SCIENCE · KINDERGARTEN Name Date Record your sense of sight observations. Sense of Sight Observation Log What to observe: • what you see • what you measure • any changes • questions you have Trial Drawing Result Day 1 sketch First observation — everything looks normal Day 2 Day 3 Day 4 Summary: After observing for 4 days, I noticed... www.littleactivity.com Kindergarten · Science
Observation Log — Sense of Hearing SCIENCE · KINDERGARTEN Name Date Record your sense of hearing observations. Sense of Hearing Observation Log What to observe: • what you see • what you measure • any changes • questions you have Date What it looked like Measurement Day 1 sketch First observation — everything looks normal Day 2 Day 3 Day 4 Summary: After observing for 4 days, I noticed... www.littleactivity.com Kindergarten · Science
Observation Log — Sense of Touch SCIENCE · KINDERGARTEN Name Date Record your sense of touch observations. Sense of Touch Observation Log What to observe: • what you see • what you measure • any changes • questions you have Day Drawing Notes Day 1 sketch First observation — everything looks normal Day 2 Day 3 Day 4 Summary: After observing for 4 days, I noticed... www.littleactivity.com Kindergarten · Science
Observation Log — Sense of Taste SCIENCE · KINDERGARTEN Name Date Record your sense of taste observations. Sense of Taste Observation Log What to observe: • what you see • what you measure • any changes • questions you have Day Drawing Notes Day 1 sketch First observation — everything looks normal Day 2 Day 3 Day 4 Summary: After observing for 4 days, I noticed... www.littleactivity.com Kindergarten · Science
Observation Log — Sense of Smell SCIENCE · KINDERGARTEN Name Date Record your sense of smell observations. Sense of Smell Observation Log What to observe: • what you see • what you measure • any changes • questions you have Day Drawing Notes Day 1 sketch First observation — everything looks normal Day 2 Day 3 Day 4 Summary: After observing for 4 days, I noticed... www.littleactivity.com Kindergarten · Science
Classification — Five Senses SCIENCE · KINDERGARTEN Name Date Sort each item by the sense you use most to observe it. Five Senses Sight Sound Touch Smell Taste Word Bank — Cut or write each item in the correct column: • rainbow • bell • sandpaper • flower • lemon • sunset • drum • ice • perfume • candy How did you decide where each item goes? www.littleactivity.com Kindergarten · Science
