light up science （科學(xué)）5a unit 1 seeds lesson 3 grow the best seedling

1、整理課件Lesson 3 Grow the Best Seedlingsgrow (種植種植)sand (沙子沙子)seedling (幼苗幼苗)soil (土壤土壤)整理課件How can you grow the best seedlings?I want to give the seedlings more water.I want to put the seedlings in a warm place.整理課件Which seedling will grow the best? What do you think?I think _ will grow the best. D is

2、called the “control pot”. It has water, heat and light.DI will use a black bag to stop light.I will not water my seedling.I will keep mine in a fridge.Mine will have water, heat and light.DcAB整理課件soilpaper cupsseedlingswatering canblack bag整理課件Put soil in the paper cups. Put three seedlings in each

3、cup. Label the cups A, B, C and D.1整理課件Water seedlings in D regularly. Put them in a warm and sunny place.Cover A with a black bag.Keep C in a fridge.Do not water seedlings in B.2整理課件How do your seedlings grow after one week? Write the results._ grows the best.D Height (cm)Average(cm) Seedling 1Seed

4、ling 2Seedling 3A B C D 整理課件Which is the best material for growing seedlings?cotton woolsoilpaper cupsseedlingssand整理課件Put soil, sand and cotton wool in the paper cups. Put two seedlings in each cup.Put the cups in a warm and sunny place.Water the seedlings regularly. Use the same amount of water fo

5、r all seedlings.123整理課件_ is the best material for growing seedlings.How do your seedlings grow after one week? Write the results.Soil Height (cm)Average (cm) Seedling 1Seedling 2Soil Sand Cotton wool整理課件Seedlings need light, water and heat to grow.Soil is the best material for growing seedlings.整理課件I did fair tests.I measured the heights of seedlings.I ate some seeds.整理課件Ms Greenfinger adds things to her soil to grow better plants. Do you know what she adds? 整理課件整理課件Wh