Home Free Printables Science 7th Grade Heredity, genes and natural selection — Take-Home — 7th Grade Preview — download the full PDF for print-quality output
Science 7th Grade Ages 12–13
Heredity, genes and natural selection — Take-Home — 7th Grade Explains how traits are inherited and how selection changes a population over generations. This one-page 7th Grade take-home carries the two-minute check that tells you whether the skill is wobbly, then "Beak Selection Game" — 30 minutes with tweezers, spoons, chopsticks as beaks, rice, beans,…
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Heredity, genes and natural selection SCIENCE · 7TH GRADE Name Date TAKE-HOME PRACTICE Science · 7th Grade 30 minutes WHAT THIS BUILDS Explains how traits are inherited and how selection changes a population over generations. 1 THE TWO-MINUTE CHECK ASK "Did giraffes get long necks by stretching? Explain what actually happened." A SOLID ANSWER Variation existed, longer-necked ones survived and reproduced more, the population shifted. Not yet Getting there Solid 2 BEAK SELECTION GAME You need: Tweezers, spoons, chopsticks as beaks, Rice, beans, pasta as food, A timer Each player gets a different "beak" and thirty seconds to collect food. Count what each beak collected from each food type. Remove the least successful beak from the next round — that's selection. Change the available food and watch which beak now wins. Discuss what happens over a hundred generations, and that no individual beak ever changed. SAY THIS WHEN IT STALLS "No giraffe's neck ever grew. So how did the average neck in the population get longer?" Two beak types, one food type. Model a Punnett square for a real trait and predict offspring ratios. 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-7 www.littleactivity.com 7th Grade · Science
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Heredity, genes and natural selection SCIENCE · 7TH GRADE Name Date TAKE-HOME PRACTICE Science · 7th Grade 30 minutes WHAT THIS BUILDS Explains how traits are inherited and how selection changes a population over generations. 1 THE TWO-MINUTE CHECK ASK "Did giraffes get long necks by stretching? Explain what actually happened." A SOLID ANSWER Variation existed, longer-necked ones survived and reproduced more, the population shifted. Not yet Getting there Solid 2 BEAK SELECTION GAME You need: Tweezers, spoons, chopsticks as beaks, Rice, beans, pasta as food, A timer Each player gets a different "beak" and thirty seconds to collect food. Count what each beak collected from each food type. Remove the least successful beak from the next round — that's selection. Change the available food and watch which beak now wins. Discuss what happens over a hundred generations, and that no individual beak ever changed. SAY THIS WHEN IT STALLS "No giraffe's neck ever grew. So how did the average neck in the population get longer?" Two beak types, one food type. Model a Punnett square for a real trait and predict offspring ratios. 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-7 www.littleactivity.com 7th Grade · Science
Human Body — Organs SCIENCE · KINDERGARTEN Name Date Cover the word bank. Label as many parts as you can, then check. Human Body Write the parts you remember: Notes: www.littleactivity.com Kindergarten · Science Diagram — The Five Senses SCIENCE · KINDERGARTEN Name Date Label the diagram, then write what each part does. The Five Senses 1. sight 2. hearing 3. smell 4. taste 5. touch 6. brain Word Bank — write what each does: hearing touch sight smell brain taste Write one question you still have: www.littleactivity.com Kindergarten · Science
Exercise & Health Tracker SCIENCE · KINDERGARTEN Name Date Track your daily exercise! Record what you did, how long, and how y... Exercise & Health Tracker Rules: 1 Do at least 15 minutes of exercise each day 2 Try different activities — running, jumping, dancing 3 Drink water before and after exercise 4 Cool down and stretch when you finish My Activity Tracker: Day Exercise / Activity How I Felt Day 1 10 push-ups, 20 jumping jacks Energized! After exercising this week, my body feels... www.littleactivity.com Kindergarten · Science
Tooth Brushing Experiment SCIENCE · KINDERGARTEN Name Date Fill in this page as you do your investigation. What are we finding out? Does brushing really remove what is on your teeth? What we need: hard-boiled egg or white tile, cola or tea, toothbrush, toothpaste, timer What I think will happen: Write your own: If I change ___, then ___ because ___ What I will change: Whether and how long the shell is brushed What I will watch: How much stain is removed What to do: 1. Soak the egg in cola overnight 2. 3. Brush half for 30 seconds 4. 5. Compare the two halves What we saw: Half Brushing time Stain left A B Trial 3 What I learned: Brushing for longer removed more because... www.littleactivity.com Kindergarten · Science
Insect Body Parts Diagram SCIENCE · KINDERGARTEN Name Date Label the diagram, then write what each part does. Insect Body Parts Diagram Word Bank — write what each does: wings head abdomen legs antennae thorax Which part matters most, and why? www.littleactivity.com Kindergarten · Science Exercise & Health Tracker — Review SCIENCE · KINDERGARTEN Name Date Track your daily exercise! Record what you did, how long, and how y... Exercise & Health Tracker — Review Rules: 1 Do at least 15 minutes of exercise each day 2 Try different activities — running, jumping, dancing 3 Drink water before and after exercise 4 Cool down and stretch when you finish My Activity Tracker: Day Exercise / Activity How I Felt Day 1 10 push-ups, 20 jumping jacks Energized! After exercising this week, my body feels... www.littleactivity.com Kindergarten · Science
