Ch 2. Exploring the Plant World

Question 1

What provides food for all living things?

Answer 1

plants

Question 2

Name two ways we depend upon plants to live.

Answer 2

Plants grow fruit and vegetables, and plants feed animals that humans use for food.

Question 3

What kind of plants form seeds?

Answer 3

Plants that have flowers form seeds.

Question 4

What are the three main parts of a seed?

Answer 4

seed coat
the young plant
food for the young plant

Question 5

What is the seed coat?

Answer 5

The seed coat protects the young plant inside the seed until it is ready to sprout.

Question 6

What does a seed need before it can sprout?

Answer 6

moisture

Question 7

What four things are needed for seeds to grow?

Answer 7

water
soil
air
correct temperature

Question 8

What happens to the seed coat when the seed begins to sprout?

Answer 8

The seed coat pops open.

Question 9

What happens to the seed coat after it has popped open?

Answer 9

It dies because it isn’t needed anymore.

Question 10

What is the flower’s job?

Answer 10

The flower’s job is to make seeds.

Question 11

What do we call the yellow dust formed in flowers?

Answer 11

pollen

Question 12

What process moves pollen from flower to flower?

Answer 12

pollination

Question 13

What is the stem’s job?

Answer 13

carry water and food
hold the plant up

Question 14

What is the leaf’s job?

Answer 14

The leaf’s job is to make food for the plant.

Question 15

What is the green material in plants called?

Answer 15

chlorophyll

Question 16

What is the food-making process in green plants called?

Answer 16

photosynthesis

Question 17

What simple sugar is made in the process of photosynthesis?

Answer 17

glucose

Question 18

What four things are needed to complete the process of photosynthesis?

Answer 18

sunlight
carbon dioxide
water
chlorophyll

Question 19

What do leaves give off?

Answer 19

Leaves give off oxygen and water.

Question 20

What is carbon dioxide?

Answer 20

It is a gas.

Question 21

What is oxygen?

Answer 21

Oxygen is a gas plants give off, which people and animals need to breathe.

Question 22

What job do roots do?

Answer 22

They take minerals and water from the soil and send them through the stem to other parts of the plant. They also hold the plant in the ground and keep the soil in place.

Question 23

Which part of the root grows?

Answer 23

The tip

Question 24

What are tiny root hairs called?

Answer 24

The root’s “mouth”

Question 25

What do the tiny root hairs do?

Answer 25

They take in water, minerals, and oxygen.

Question 26

What is a spore?

Answer 26

A spore is a single cell produced in some plants, which can grow into a new plant.

Question 27

Where are spores found?

Answer 27

Spores float all through the air. Single spores are too small to see, but you can find groups of spores on the back of a fern leaf.

Question 28

Does a spore contain food like a seed?

Answer 28

No, it doesn’t.

Question 29

What is necessary before a spore can grow into a new plant?

Answer 29

moisture
shade
food
air

Question 30

How is mould harmful?

Answer 30

Mould can spoil food.

Question 31

How is mould helpful?

Answer 31

Mould gives us penicillin, a medicine which can save people.

Question 32

What is a plant that grows from spores?

Answer 32

Moss grows from spores.

Question 33

What are shoots?

Answer 33

Shoots are sprouts from a plant which can root and form new plants.

Question 34

What is a cutting?

Answer 34

A cutting is a piece of plant cut away from the stem of that plant for the purpose of rooting.

Question 35

What is a bud?

Answer 35

A bud is the beginning of a new plant on a potato.