Nadia Higgins - Experiment with What a Plant Needs to Grow: Plant Experiments

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123

Experiment

with

What

a

Plant

Needs

to

Grow

Nadia Higgins

Copyright 2015 by Lerner Publishing Group, Inc.

Content consultant: Dr. Norm Lownds, Curator, Michigan 4-H Childrens Gardens

All rights reserved. International copyright secured. No part of this book may be reproduced,
stored in a retrieval system, or transmitted in any form or by any meanselectronic, mechanical,
photocopying, recording, or otherwisewithout the prior written permission of Lerner Publishing
Group, Inc., except for the inclusion of brief quotations in an acknowledged review.

Lerner Publications Company
A division of Lerner Publishing Group, Inc.
241 First Avenue North
Minneapolis, MN 55401 USA

For reading levels and more information, look up this title at www.lernerbooks.com.

Library of Congress Cataloging-in-Publication Data

Higgins, Nadia.

Experiment with what a plant needs to grow / by Nadia Higgins.

pages cm. (Lightning bolt books Plant experiments)

Includes index.
ISBN 9781467757300 (lib. bdg. : alk. paper)
ISBN 9781467762472 (eBook)
1. Growth (Plants)Juvenile literature. 2. PlantsExperimentsJuvenile literature. I. Title.

II. Series: Lightning bolt books. Plant experiments.
QK745.H54 2015

571.8'2dc23

2014020465

Manufactured in the United States of America

1 BP 12/31/14

Table

of

Contents

Measure Like
a Scientist

What Will

a Plant

Do to

Find Light?

Plants are living things. They
grow. They reproduce. Like
you, plants need air and water.
They need minerals to stay
healthy. They also need food.

With enough sunlight
and water, flowering
plants will bloom.

For a plant, food starts with
sunlight. Sunlight fuels
photosynthesis. This is a
process in which green leaves
make food using air and water.

Plants give us food,
wood, and medicine.
Photosynthesis
provides the oxygen
we need to breathe!

Lets take a look at what
plants will do to get
life- giving light.

What you need:

shoe box
with a lid

green bean
seedling

water

scissors

masking
tape

pencil

cardboard

Steps:

Cut a window on one end of the box.

Place the other end of the box on top of
the cardboard. Trace around the end of
the box so you are drawing a rectangle.
Have an adult help you cut out the
rectangle. Then cut it in half.

The window should
take up about
one- third of the
end of the box.

Space out your
cardboard pieces
like this.

Tape the cardboard pieces inside the shoe
box, like shelves, leaving enough room to
place your potted seedling inside the box.

Set the box upright so that the window
is on top. Place the seedling under the
shelves. Next, put on the lid.

Keep your box in a sunny
spot. Take off the lid to water
it every few days.

Think It Through

What happens to your plant
as it grows? It bends through
the cardboard maze you
created. Why does it do this?
To find the light!

The bean plant can
tell where the sunlight
is. It grows toward the
light it needs.

Does Fertilizer

Help

Marigolds

Grow?

Most plants grow in soil.
Soil holds the water
plants need to grow.
Soil also provides
minerals, such as
iron and calcium.

You need calcium,
just as plants do.
You can get this
mineral from milk
and other foods.

Minerals are like vitamins
for plants. They keep plants
healthy. Lets grow marigolds
in two kinds of soil. One pot
has soil with fertilizer, which
adds minerals. One does not.

Roots help a plant
take in minerals
from the soil.

Will the minerals make a
difference in how tall the
plant grows? Lets find out!

What you need:

two marigold
seedlings

two pots
the same size

organic
fertilizer

shovel

plain
potting soil

water

popsicle
stick

pencil
and paper

ruler

Make sure your marigold
seedlings are close to
the same size.

Steps:

Fill both pots with potting soil.

With an adults help, add fertilizer to
just one of the pots. The directions
on the package will tell you how
much to add.

Put a Popsicle stick in the
fertilizer pot so you can
remember which one it is.

Next,itstimeforplanting!

Dig a hole in each pot.

Remove the marigold seedlings from
their containers and plant them in
the holes.

The holes should be
the same size as the
marigolds roots.

Check your plants every day
and add water if the soil is dry.

Fill in the holes with soil and gently
press down. Water each pot well.

Put the pots in a sunny window.
Add water to keep the soil from
drying out.

Next page

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