3rd Grade Science-Living Things, Plants, Animals, Classification

Living Things

100

• To ______________________ is to make more of one’s own kind

reproduce

200

A small part that makes up all living things is a ___________ (building blocks of life)

cell

300

• All living and non-living things that surround an organism is called it’s ____________________.

environment

400

A gas that animals need to survive is called ________________

oxygen

500

• A gas that plants take and use to make food is ______________ .

Carbon Dioxyde. 

Plants

100

_______________________ is the process by which plants use carbon dioxide, sun and water to make their own food

Photosynthesis

200

A plant’s ____________ take in water and nutrients from the soil and help hold it in place

roots

300

• The ______________ of a plant brings water, nutrients and food to different parts of the plant through tubes and also helps the plant to stand up to reach sunlight.

Stem

400

A plant makes it’s food in the structure called the ____________.

leaf

500

A plant requires what 3 things to make food?

water, sunlight, carbon dioxide 

Animals

100

Most animals can _____________ in order to find food or shelter and escape from danger

move

200

• Unlike plants, animals cannot make their own ___________.

food

300

___________ are the structures that allow birds to fly and glide

wings

400

Snakes have many _________________ throughout their bodies that help them to slither

muscles

500

• Mammals breathe in oxygen into their ____________ from the air.

lungs

Classifications

100

• Fish breathe in oxygen from the water with the structures called _____________.

gills

200

A ________is a type of shelter used by birds to protect their young

nest

300

A ___________________ is a type of animal with a backbone

vertebrate

400

A ___________________ is a type of animal without backbone

invertebrate 

500

• Some invertebrates have hard covering called ___________________ to protect their bodies.

exoskeleton

EXTRA

100

An __________________ is another name for a living thing

Organism

200

An animal ___________________ to its environment by reacting to the world around it

Responds

300

A _________________ is a PART of an organism that helps it to survive

Structure

400

• A vertebrate that lives in the water and breathes through gills is called a __________ . 

fish

500

• ________________ are warm-blooded vertebrates with hair who breathe air and feed milk to their young.

mammals