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Science Quiz - Plants - What Makes Them Grow? (Questions)

What helps plants grow strong and green? Discover the simple things every plant needs so you can look after them at home or school.

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Fascinating Fact:

Healthy plants make seeds, so when they get enough light, water, air, soil, and space, they can grow new plants.

In KS1 Science, children discover that plants are living things which need the right conditions to grow. By giving plants light, water, air, soil, and space, we help them stay healthy.

Key Terms

Roots: The part of a plant that grows underground and takes in water.
Stem: The part that holds the plant up and carries water to the leaves.
Leaves: Flat green parts that use light, air, and water to make food for the plant.

Frequently Asked Questions (Click to see answers)

What are the basic things plants need to grow?

Plants need sunlight, water, air, and nutrients from soil. They also need enough space for their roots and leaves. Without these, plants will not grow properly.

Why do plants need water and soil in KS1 science?

Water helps plants stay firm and move nutrients around. Soil holds the roots in place and contains nutrients that help the plant grow strong and healthy.

How can we test what plants need to grow in the classroom?

Children can grow seeds in different places, changing one thing like light or water. By comparing them, they see which conditions help plants grow best.

Try These Related Quizzes

1.

Which one of these do plants need to grow?

[ ]	Rocks
[ ]	Sand
[ ]	Wind
[ ]	Sunlight

2.

Plants need food to grow. When will this plant make most food?

[ ]	Night
[ ]	Day
[ ]	Evening
[ ]	Dawn

3.

When do plants grow quickest?

[ ]	October
[ ]	December
[ ]	February
[ ]	May

4.

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

5.

Why do plants like the rain?

[ ]	Plants like getting wet
[ ]	Plants can swim
[ ]	Plants need water to grow
[ ]	Rain washes the plants clean

6.

Why has the flower wilted?

[ ]	Too much water
[ ]	Not enough water
[ ]	No sunlight
[ ]	Strong winds

7.

The cactus can live in very dry places. But even the cactus needs some ____ to stay alive.

[ ]	Sand
[ ]	Rock
[ ]	Dust
[ ]	Water

8.

What temperature do plants like best?

[ ]	Very hot
[ ]	Very cold
[ ]	Warm
[ ]	Chilly

9.

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

10.

It is wintertime. These roses have died. What has killed the roses?

[ ]	Sun and rain
[ ]	Cold and ice
[ ]	Sun and warmth
[ ]	Wind and sun

You can find more about this topic by visiting BBC Bitesize - What does a plant need to grow?

Science Quiz - Plants - What Makes Them Grow? (Answers)

1.

Which one of these do plants need to grow?

[ ]	Rocks
[ ]	Sand
[ ]	Wind
[x]	Sunlight

Plants must have light to grow

2.

Plants need food to grow. When will this plant make most food?

[ ]	Night
[x]	Day
[ ]	Evening
[ ]	Dawn

There is more sunlight in the daytime. That is when plants make most of their food

3.

When do plants grow quickest?

[ ]	October
[ ]	December
[ ]	February
[x]	May

Plants grow quickest in spring and early summer

4.

Tom is given a plant. He wants it to grow. Where should Tom put it?

[ ]	In a dark cupboard
[ ]	Under the stairs
[x]	In a sunny window
[ ]	Under a bucket

Plants will not grow in the dark

5.

Why do plants like the rain?

[ ]	Plants like getting wet
[ ]	Plants can swim
[x]	Plants need water to grow
[ ]	Rain washes the plants clean

Do you like being out in the rain?

6.

Why has the flower wilted?

[ ]	Too much water
[x]	Not enough water
[ ]	No sunlight
[ ]	Strong winds

Flowers can’t speak. But if they wilt, you know they want water

7.

The cactus can live in very dry places. But even the cactus needs some ____ to stay alive.

[ ]	Sand
[ ]	Rock
[ ]	Dust
[x]	Water

The inside of a cactus stores a lot of water

8.

What temperature do plants like best?

[ ]	Very hot
[ ]	Very cold
[x]	Warm
[ ]	Chilly

If it is too hot, plants will wilt. If it is too cold, plants will die

9.

Helen is growing a pepper plant. She is growing it in a greenhouse. Why does it grow well in a greenhouse?

[x]	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?

10.

It is wintertime. These roses have died. What has killed the roses?

[ ]	Sun and rain
[x]	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!