Science Unit 4

What is a cone?

• a seed from a pine tree

• the part of a pine tree that holds the seeds

• a type of flower

Which part of a plant makes seeds?

• flower

• stem

• leaves

Which word means to start to grow?

• basic needs

• nutrients

• germinate

New plants grow from a ___________.

• seed

• stem

• flower

Substances that help plants grow are ________________.

• seedlings

• nutrients

• pollen

Pollen is __________________.

• food that plants make

• substances that help plants grow

• a powder that flowers need to make seeds

What are basic needs?

• certain things that all living things need to live and grow

• a nutrient that plants take in from soil

• that plant part from which new plants grow

Plants make seeds in the ___________.

• stem

• flower or cone

• roots

Plants and animals both need __________ and ____________ to survive.

• food, roots

• lungs, air

• air, water

In what two ways are roots and stems alike?

(choose 2 answers)

• they both help the plant get water and nutrients

• they both make food for the plant

• they both support the plant