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Growing Plants for Food

What we need to do to ensure that a plant grows well, and why this is important for food crops

'Growing Plants for Food' worksheet

Key stage:  KS 2

Curriculum topic:  Plants

Curriculum subtopic:  Requirements for Life and Growth

Difficulty level:  

down

Worksheet Overview

QUESTION 1 of 10

We just couldn’t live without plants. Four fifths of the food we eat comes from plants, including cereals, such as oats, rice and wheat, fruits, vegetables and nuts. They provide us with many of the vitamins and minerals we need to stay healthy. Almost all of the plants that we use for food are specially grown for this purpose. It is important that farmers look after their crops and help them to grow well. The better the crops we grow, the better the food they produce. 

In this worksheet we’ll be looking at the things a plant needs to grow well and at some of the most important of our food crops.

What are the most important things that a plant needs to grow?

Air, earth, fire and water

Sunlight, warmth, water, nutrients

Darkness, quiet, cold, dry soil

Sunlight, water, fresh air, a flowerpot

What happens to a plant that doesn't get enough light?

It stays short and stubby

It grows tall and spindly

It spreads out over a large area

What happens to a plant that doesn't get enough water?

It stays small

It wilts and dies

It closes its leaves

Is it possible to give a plant too much water?

yes

no

Why is it important not to plant crops too close together?

So the crops are easier to harvest

So insects have further to fly between plants

So the plant's leaves and roots have enough room to spread out and grow

How many different kinds of plants do you think supply three quarters of the food we eat?

12000

1200

120

12

Wheat is the most important food for what fraction of the world's people?

a hundredth

a fifth

a third

half

  • Question 1

What are the most important things that a plant needs to grow?

CORRECT ANSWER
Sunlight, warmth, water, nutrients
EDDIE SAYS
These are the four essential things that a plant needs to grow well.
  • Question 2

What happens to a plant that doesn't get enough light?

CORRECT ANSWER
It grows tall and spindly
EDDIE SAYS
Plants grow towards the light, and a plant that doesn't get enough light will grow upwards to where the light should be. Because plants use sunlight to make their food if they don't have enough light they wil grow weak and spindly.
  • Question 3

What happens to a plant that doesn't get enough water?

CORRECT ANSWER
It wilts and dies
EDDIE SAYS
Plants cannot live without water. If they don't get enough they will eventually die.
  • Question 4

Is it possible to give a plant too much water?

CORRECT ANSWER
yes
EDDIE SAYS
If a plant's roots get waterlogged they don't work properly. The plant doesn't get all the nutrients it needs from the soil and is no longer healthy.
  • Question 5

Why is it important not to plant crops too close together?

CORRECT ANSWER
So the plant's leaves and roots have enough room to spread out and grow
EDDIE SAYS
Healthy plants need room to spread their leaves to make food from sunlight and their roots to get all the water and nutrients they need from the soil.
  • Question 6

How many different kinds of plants do you think supply three quarters of the food we eat?

CORRECT ANSWER
12
EDDIE SAYS
Three quarters of our food supply comes from just 12 plants, such as wheat, maize and rice. It is a surprisingly small number!
  • Question 7

Wheat is the most important food for what fraction of the world's people?

CORRECT ANSWER
a third
EDDIE SAYS
A third of the people in the world depend on the health of the wheat crops to ensure that they have enough to eat.
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