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Science 10th Grade Ages 15–16
Bonding, reactions and balancing equations — Take-Home — 10th Grade Predicts bond types, writes and balances equations, and explains balancing by conservation of atoms. This one-page 10th Grade take-home carries the two-minute check that tells you whether the skill is wobbly, then "Count the Atoms" — 30 minutes with paper, counters or beads in two colours — plus…
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Bonding, reactions and balancing equations SCIENCE · 10TH GRADE Name Date TAKE-HOME PRACTICE Science · 10th Grade 30 minutes WHAT THIS BUILDS Predicts bond types, writes and balances equations, and explains balancing by conservation of atoms. 1 THE TWO-MINUTE CHECK ASK "Balance the combustion of methane. Why can't you just change the subscripts?" A SOLID ANSWER CH₄ + 2O₂ → CO₂ + 2H₂O, and knows subscripts define the substance itself. Not yet Getting there Solid 2 COUNT THE ATOMS You need: Paper, Counters or beads in two colours Model a reaction with beads: the same beads must appear on both sides, rearranged. Balance by counting each element in a table, one row per element. Show what happens if a subscript is changed — it becomes a different substance entirely. Balance five equations of increasing difficulty using the table method. Do a real one: vinegar and baking soda, weighed sealed to confirm conservation. SAY THIS WHEN IT STALLS "Changing the subscript makes it a different chemical. You can only change how many molecules there are." Two-element equations with a counting table. Combustion of larger hydrocarbons, and ionic equations. IF IT'S TOO HARD IF IT'S TOO EASY Did it M T W T F Full year of take-homes: www.littleactivity.com/takehome/grade-10 www.littleactivity.com 10th Grade · Science
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Bonding, reactions and balancing equations SCIENCE · 10TH GRADE Name Date TAKE-HOME PRACTICE Science · 10th Grade 30 minutes WHAT THIS BUILDS Predicts bond types, writes and balances equations, and explains balancing by conservation of atoms. 1 THE TWO-MINUTE CHECK ASK "Balance the combustion of methane. Why can't you just change the subscripts?" A SOLID ANSWER CH₄ + 2O₂ → CO₂ + 2H₂O, and knows subscripts define the substance itself. Not yet Getting there Solid 2 COUNT THE ATOMS You need: Paper, Counters or beads in two colours Model a reaction with beads: the same beads must appear on both sides, rearranged. Balance by counting each element in a table, one row per element. Show what happens if a subscript is changed — it becomes a different substance entirely. Balance five equations of increasing difficulty using the table method. Do a real one: vinegar and baking soda, weighed sealed to confirm conservation. SAY THIS WHEN IT STALLS "Changing the subscript makes it a different chemical. You can only change how many molecules there are." Two-element equations with a counting table. Combustion of larger hydrocarbons, and ionic equations. IF IT'S TOO HARD IF IT'S TOO EASY Did it M T W T F Full year of take-homes: www.littleactivity.com/takehome/grade-10 www.littleactivity.com 10th Grade · Science
Observation Log — Sense of Sight SCIENCE · KINDERGARTEN Name Date Record your observation — sense of sight observations. Observation — Sense of Sight 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 Hearing SCIENCE · KINDERGARTEN Name Date Record your observation — sense of hearing observations. Observation — Sense of Hearing 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 Touch SCIENCE · KINDERGARTEN Name Date Record your observation — sense of touch observations. Observation — 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 observation — sense of taste observations. Observation — 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 observation — sense of smell observations. Observation — 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
