Lesson · Grade 1 · Science
Plants Grow Toward the Light
- Grade 1
- Science
- 53 s
- British Columbia
- BC1-SC-12
A little plant in a pot bends its stem toward a sunny window over three days, because its leaves need light to make food. When the pot is turned around, the plant leans away from the window, and over three more days its top bends back toward the light.
Anyone can watch two lessons on the website without an account. Signing in is free, no payment and no card, and opens three a day; Plus has no limit.
Loading
In one sentence
The question this lesson answers
Here is a little plant in a pot.
Sunlight shines in through the clear window.
Transcript
What the lesson says
Here is a little plant in a pot.
Sunlight shines in through the clear window.
Which way will the plant grow?
We wait and watch. Day one, two, three.
The stem bends toward the light!
The plant needs light to make its food.
Leaning helps its leaves catch more light.
Next, we turn the pot around.
The stem now leans away from the light.
We wait again. Day one, two, three.
The top bends back toward the light!
Most plants grow toward the light they need.
Curriculum
Where this fits
The outcomes and strands follow the British Columbia curriculum.
Keep going
1 min 3 sA Sunflower's Life Cycle: Seed, Sprout, Flower, Seed
Kindergarten · 1 min 3 s
1 min 48 sAdaptive radiation: one ancestor, many species
Grade 10 · 1 min 48 s
52 sAnimal Bodies That Help Them Live: Feet, Teeth and Fur
Kindergarten · 52 s
1 min 3 sAnimal senses beyond ours: echolocation, ultraviolet light, heat and magnetism
Grade 4 · 1 min 3 s
1 min 44 sAntibodies and Memory Cells: The Body's Targeted Defence
Grade 8 · 1 min 44 s
1 min 44 sArtificial selection: people choose the traits
Grade 10 · 1 min 44 s
1 min 4 sBiodiversity: The Variety of Living Things
Grade 3 · 1 min 4 s
1 min 8 sBiomes: Sorted by Temperature and Precipitation
Grade 4 · 1 min 8 s
- All Grade 1 Science lessons
- Create a free account to watch three lessons a day, no payment and no card.