Home Free Printables Science 7th Grade Grade 7 Physical Science Connections to Biology — Lab Report — Physical and Chemical Changes in Nature Preview — download the full PDF for print-quality output
Science 7th Grade Ages 12–13
Grade 7 Physical Science Connections to Biology — Lab Report — Physical and Chemical Changes in Nature Free printable physical and chemical changes in nature lab report. Students form a hypothesis, follow a procedure, collect data, and draw conclusions about physical and chemical changes in nature. For 7th Grade (ages 12–13).
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Lab Report — Physical and Chemical Changes in Nature SCIENCE · 7TH GRADE Name Date Complete this lab report for your investigation. Purpose / Research Question: Which changes make a new substance, and which do not? Materials: paper, ice, baking soda, vinegar, rusted nail, sugar, water Hypothesis (If... then... because...): If a new substance forms, then the change is chemical because... Independent Variable: The change being carried out Dependent Variable: Evidence of a new substance (gas, colour, heat, smell) Procedure: 1. Dissolve sugar in water — reversible? 2. Mix baking soda and vinegar 3. Examine the rusted nail 4. Note bubbles, colour, temperature 5. Classify each change Data / Results: Change Evidence Physical/Chemical Sugar dissolving None Physical Rusting Soda + vinegar Conclusion: The clearest sign of a chemical change is... littleactivity.com 7th Grade · Science
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Lab Report — Physical and Chemical Changes in Nature SCIENCE · 7TH GRADE Name Date Complete this lab report for your investigation. Purpose / Research Question: Which changes make a new substance, and which do not? Materials: paper, ice, baking soda, vinegar, rusted nail, sugar, water Hypothesis (If... then... because...): If a new substance forms, then the change is chemical because... Independent Variable: The change being carried out Dependent Variable: Evidence of a new substance (gas, colour, heat, smell) Procedure: 1. Dissolve sugar in water — reversible? 2. Mix baking soda and vinegar 3. Examine the rusted nail 4. Note bubbles, colour, temperature 5. Classify each change Data / Results: Change Evidence Physical/Chemical Sugar dissolving None Physical Rusting Soda + vinegar Conclusion: The clearest sign of a chemical change is... littleactivity.com 7th Grade · Science
Classification — Ocean Animals Coloring SCIENCE · KINDERGARTEN Name Date Sort each item into the correct category. Ocean Animals Coloring Group A Group B Group C Word Bank — Cut or write each item in the correct column: • item 1 • item 2 • item 3 • item 4 • item 5 • item 6 • item 7 • item 8 • item 9 How did you decide where each item goes? littleactivity.com Kindergarten · Science
Diagram — Underwater World SCIENCE · KINDERGARTEN Name Date Label the diagram. Use the word bank below. Underwater World Word Bank: evaporation condensation precipitation collection water vapor runoff Notes: littleactivity.com Kindergarten · Science Diagram — Coral Reef Scene SCIENCE · KINDERGARTEN Name Date Label the diagram. Use the word bank below. Coral Reef Scene [Diagram] Word Bank: coral clownfish anemone seaweed turtle ray Notes: littleactivity.com Kindergarten · Science
Diagram — Ecosystem Coloring SCIENCE · KINDERGARTEN Name Date Label the diagram. Use the word bank below. Ecosystem Coloring grass rabbit fox fungi energy flow → Word Bank: sun producer consumer predator decomposer energy Notes: littleactivity.com Kindergarten · Science Ocean Animal Classification SCIENCE · KINDERGARTEN Name Date Read the passage, then answer the questions below. Ocean animals are grouped by the features they share, not by where they swim. Fish breathe with gills and have fins and scales; marine mammals such as whales and dolphins breathe air through lungs and feed their young on milk. Invertebrates — animals without a backbone, including jellyfish, crabs and octopuses — make up most ocean species. Sharing a shape does not mean sharing a group: a shark and a dolphin look alike because both are built for fast swimming, not because they are closely related. Questions: 1 How do fish and marine mammals breathe differently? 2 What is an invertebrate? 3 Why do a shark and a dolphin look alike? littleactivity.com Kindergarten · Science
Observation Log — Ocean Animals SCIENCE · KINDERGARTEN Name Date Record your observation — ocean animals observations. Observation — Ocean Animals Observation Log What to observe: • behavior & activity • movement patterns • feeding habits • habitat details Day Drawing Notes Day 1 sketch Bird visited feeder 3 times, ate seeds, flew NE Day 2 Day 3 Day 4 Summary: After observing for 4 days, I noticed... littleactivity.com Kindergarten · Science
