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Natural Science · 4.º de Primaria · Con las respuestas

Unit 2: We love plants

El modelo A con la respuesta de cada pregunta debajo, para corregirlo en casa o ver dónde estaba cada cosa.

NombreFechaNota4.º de Primaria · Natural Science · Unit 2: We love plants · Modelo A
1

What are plants like?

2 puntos
Plants are living things because they…

Respuesta: are born, feed, grow, reproduce and die

Which part of the plant holds it in the soil?

Respuesta: the roots

The tiny holes in leaves that let air in and out are called…

Respuesta: stomata

2

How do plants make their food?

3 puntos

Photosynthesis: with sunlight, water and carbon dioxide, plants make food and give out oxygen

The process plants use to make their food is called…

Respuesta: photosynthesis

Plants need … to make food.

Respuesta: sunlight, water and carbon dioxide

During photosynthesis, plants give out…

Respuesta: oxygen

The green substance in leaves that captures sunlight is…

Respuesta: chlorophyll

3

How do plants reproduce?

2,5 puntos
Put the steps in order.
pollinationthe flower becomes a fruitthe seed germinatesfertilisation

Respuesta: pollination → fertilisation → the flower becomes a fruit → the seed germinates

Insects and the wind help with…

Respuesta: pollination

Some plants can grow from a piece of stem, without seeds.( True · False )

Respuesta: True

4

Types of plants

1,5 puntos
Ferns and mosses are…( flowering plants · non-flowering plants )

Respuesta: non-flowering plants

Roses and orange trees are…( flowering plants · non-flowering plants )

Respuesta: flowering plants

5

Why do plants matter?

1 punto
Which of these do we NOT get from plants?

Respuesta: wool

+

Challenge

No cuenta para la nota

This one doesn't count for your mark. It's for champions!

Why are leaves usually wide and flat?

Respuesta: to catch as much sunlight as possible

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