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Plants need light, warmth and water so that they can grow.

Investigating - Whose Plant Will Grow Best?

This Science quiz is called 'Investigating - Whose Plant Will Grow Best?' 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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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 .

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?

2 .

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?

3 .

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?

4 .

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?

5 .

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

6 .

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?

7 .

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?

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 .

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?

10 .

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?