Grade 4 Science Worksheet: Plants

Plants Homework Practice

Grade 4 Science Plants Homework Practice Medium 20 Questions 10 Views

Classroom Worksheet

Grade 4 Science Worksheet: Plants

Plants Homework Practice

Name____________________________

Date________________

Score______ / 20

Grade: Grade 4

Subject: Science

Topic: Plants

Time: 20 Minutes

Difficulty: Medium

Questions: 20

Instructions:
Name: ____________________ Date: ____________________ Read each question carefully and answer in complete sentences when needed. Show your thinking. This homework practice worksheet starts with easier questions and gets a little harder as you go.

Skills Practiced:

Plants
Science
Critical Thinking
Problem Solving

1Question

What is the main job of roots in a plant?

2Question

Which plant part usually grows above the ground: roots or stem?

3Question

What color are most healthy leaves on plants?

4Question

Name one thing plants need to grow.

5Question

What part of a plant makes seeds?

6Question

What do leaves use sunlight for?

7Question

Why do plants need water?

8Question

What is the stem’s job in a plant?

9Question

Circle the plant part that helps a plant absorb water: leaf, root, flower.

10Question

How are seeds helpful to plants?

11Question

Write one way a cactus is different from many other plants.

12Question

What is pollination?

13Question

Why are flowers important to many plants?

14Question

A plant in a dark closet gets watered but still droops. What is one reason it may be unhealthy?

15Question

Put these plant parts in order from lowest to highest on most plants: flower, root, stem, leaf.

16Question

What might happen if a plant does not get enough water for many days?

17Question

How do roots and stems work together to help a plant grow?

18Question

Why do some plants have big leaves and others have small leaves?

19Question

A seed is planted in soil, watered, and kept in sunlight. Name two things the seed needs to sprout well.

20Question

Explain how a plant changes from a seed into a new plant. Include at least three plant needs in your answer.

Answer Key

#	Answer
1	Roots hold the plant in the soil and take in water and nutrients.
2	Stem.
3	Green.
4	Water, sunlight, air, or soil.
5	The flower.
6	Leaves use sunlight to make food for the plant.
7	Plants need water to stay alive and grow.
8	The stem supports the plant and carries water and nutrients.
9	Root.
10	Seeds can grow into new plants.
11	A cactus has thick stems and spines and can live in dry places.
12	Pollination is when pollen is moved from one flower to another or within a flower.
13	Flowers help plants make seeds.
14	It is not getting enough sunlight.
15	Root, stem, leaf, flower.
16	It may wilt, dry out, and die.
17	Roots take in water and nutrients, and stems carry them to other parts of the plant.
18	Different plants have different leaf sizes to help them live in their habitats and get enough sunlight.
19	Water and sunlight. Air is also needed.
20	A seed grows when it has water, sunlight, air, and soil. It sprouts roots first, then a stem and leaves grow, and the plant becomes a new plant.