Investigating - Whose Plant Will Grow Best?
Plants need light, warmth and water so that they can grow.

Investigating - Whose Plant Will Grow Best?

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This quiz is about an investigation by a class at school into what makes plants grow. They want to find out what is needed to help plants to grow. Every person in the class has to decide what they are going to change. The class are going to use tomato plants for their investigation. The teacher buys 50 tomato plants in April. All the tomato plants are the same to start with. Whose tomato plant will grow best, and why? What makes plants grow?

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1.
Jack asks, ‘Do plants need water to grow?’ Jack has two tomato plants. What should he do?
Keep both dry
Water one plant but not the other
Water both plants
Water both plants only when they are dry
Which plant, do you think, will grow?
2.
Dylan asks, ‘Do plants grow towards the light?’ Dylan has two tomato plants. How can he test this?
Put both plants on a sunny windowsill
Put one plant in a dark cupboard, and one plant on a sunny windowsill
Put both plants on a windowsill. Turn one plant every day, but not the other
Put one plant in a greenhouse and one outside
Why do plants like to grow towards the light?
3.
Alex asks, ‘Does the light have to come from the sun?’ What should Alex do with his two tomato plants?
Shine a torch on the plants
Grow both of them in the classroom
Put one on a sunny windowsill. Put the other one under a lamp
Put one on a sunny windowsill. Put the other one in a greenhouse
What do plants need to make their own food?
4.
Sunil asks, ‘Do plants grow better when it is warm?’ Sunil has two tomato plants. What should Sunil do?
Grow both plants on a windowsill. One plant above a radiator, and the other away from the radiator
Grow both plants on a windowsill. Put both plants above the radiator
Grow one plant in a dark cupboard and one plant on a windowsill
Grow both plants in a greenhouse where it is warm
What happens, do you think, if plants get too hot?
5.
Stella asks, ‘Do plants need sunlight to grow?’ She has two tomato plants. Where should she put them?
One on a windowsill and one outside
One on a windowsill and one in a cupboard
One outside and one in a greenhouse
One in a greenhouse and one on a windowsill
Which one do you think will grow best?
6.
Katie wanted to find out what type of soil tomato plants like best. Katie had three tomato plants. She planted one in compost, one in stony soil, and one in sandy soil. What should she do then?
Put one in a sunny place, one in a cool place, and one in a dark place
Put all three in a sunny place
Put two of them in a sunny place, and one in a dark place
Put all three in a dark place
Katie must also give all three plants the same amount of water
7.
Ellie watered her two tomato plants every day. But they stopped growing and died. Ellie was upset. What had Ellie done wrong?
Ellie had watered both tomato plants
Ellie had only watered them once a day
Ellie had given the tomato plants too much water
Ellie forgot to water them one day
Plants need water, but they can have too much
8.
Lucy asked, ‘What is the biggest tomato I can grow?’ She had one tomato plant. She looked after it really well. It had twelve tomatoes on it. They all ripened and went red. How did she find out which was the biggest tomato?
Lucy ate the tomatoes
Lucy looked at the tomatoes
Lucy weighed the tomatoes
Lucy used a magnifying glass
What did Lucy use to weigh the tomatoes?
9.
Maria’s Mom was frying tomatoes. She asked Maria, ‘What do tomatoes need to grow?’ What did Maria say?
Light
Water
Warmth
Light, water and warmth
What do you need to grow?
10.
Chloe grew her tomato plants outside. They had yellow flowers. What did Chloe see around the flowers?
Woodlice
Bees
Snails
Ladybirds
Why are the flowers a bright yellow color?
Author:  David Bland

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