Plants - What Makes Them Grow?
If this plant could speak it would ask for some water!

Plants - What Makes Them Grow?

This Science quiz is called 'Plants - What Makes Them Grow?' and it has been written by teachers to help you if you are studying the subject at elementary school. Playing educational quizzes is an enjoyable way to learn if you are in the 3rd, 4th or 5th grade - aged 8 to 11.

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Plants do not eat food. They have to make their own food in their leaves. They need light, water and warmth to make this food. The more food they make, the more they can grow. So, the more light, water and warmth they get the bigger they grow. Let's find out more about what plants need.

Click on the pictures for a closer look.

1.
Why do plants like the rain?
Plants like getting wet
Plants can swim
Plants need water to grow
Rain washes the plants clean
Do you like being out in the rain?
2.
Which one of these do plants need to grow?
Rocks
Sand
Wind
Sunlight
Plants must have light to grow
3.
When do plants grow quickest?
October
December
February
May
Plants grow quickest in spring and early summer
4.
Plants need food to grow. When will this plant make most food?
Night
Day
Evening
Dawn
There is more sunlight in the daytime. That is when plants make most of their food
5.
Helen is growing a pepper plant. She is growing it in a greenhouse. Why does it grow well in a greenhouse?
Because the greenhouse is warm and sunny
Because the greenhouse is cold and dark
Because the greenhouse is cold and dry
Because the greenhouse is warm and dark
Greenhouses have lots of glass. Do you have a greenhouse?
6.
Why has the flower wilted?
Too much water
Not enough water
No sunlight
Strong winds
Flowers can’t speak. But if they wilt, you know they want water
7.
Tom is given a plant. He wants it to grow. Where should Tom put it?
In a dark cupboard
Under the stairs
In a sunny window
Under a bucket
Plants will not grow in the dark
8.
The cactus can live in very dry places. But even the cactus needs some ____ to stay alive.
Sand
Rock
Dust
Water
The inside of a cactus stores a lot of water
9.
It is wintertime. These roses have died. What has killed the roses?
Sun and rain
Cold and ice
Sun and warmth
Wind and sun
Some plants do flower in the winter. Can you think of a plant that flowers in the winter? That's right - the snowdrop!
10.
What temperature do plants like best?
Very hot
Very cold
Warm
Chilly
If it is too hot, plants will wilt. If it is too cold, plants will die
Author:  David Bland

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