A houseplant bends toward a window. It is responding to…
Window colour only
Glass thickness
Street noise
Light direction
Trivia for Kids 8–14 · Mixed
Leaves at Work
Ten fresh questions for ages 8–14 exploring leaves at work. Mixed difficulty with explanations and host verification notes in the import file.
Most leaf-green colour comes from…
Haemoglobin
Chlorophyll
Rust
Melanin
A waxy leaf coating helps limit…
Gravity
Water loss
Seed number
Root anchorage
Tiny pores on a leaf can open and close to regulate…
Root length directly
Soil grain size
Petal count
Gas exchange
Which raw materials does photosynthesis use to build sugars?
Nitrogen and sand
Water and carbon dioxide
Sugar and oxygen
Oxygen and table salt
True or false: Leaves can lose water as vapour even when no rain is falling.
True
False
Why do many autumn leaves reveal yellow colours?
Green pigment breaks down
All yellow comes from frost
The tree paints new flowers
Rain deposits gold
Leaf veins help carry water and…
Catch every insect
Replace roots
Transport sugars
Make pollen grains
Variegated leaves have pale areas lacking chlorophyll. These areas usually perform…
Less photosynthesis
Only root growth
More photosynthesis than green areas
Only seed production
Why do broad leaves suit many shaded forest plants?
They absorb sound as food
They stop all transpiration
They offer more light-catching area
They eliminate the need for roots