Third Grade Science: Plants

An _______________ is a living thing.
Two primary characteristics of living things are:
1. They never change.
2. They grow and change.
3. They reproduce.
4. They don't need food.
Plants growing from seeds, ducks hatching from eggs, and people being born alive from their mother are all examples of the process of:
An __________________ is where an organism lives, and is made up of everything that surrounds an organism.
Examples of responding to your environment include:
1. breathing
2. perspiring
3. leaves changing color
4. walking
5. plants bending toward light
Organisms are made up of tiny boxlike shapes called ______.
The nucleus is the ____________ of the cell.
1. membrane
2. control center
3. food
4. outer covering
Check all the things a plant needs to survive:
1. air
2. electricity
3. water
4. sunlight
5. minerals
A scientist would use a ____________ to study a plant's cells.
The part of the plant that help take in water and minerals from the soil is its:
____________ are the main food-making parts of a plant.
Chlorophyll cause plants leaves: (check all that apply)
1. to fall
2. to be green
3. to trap the energy in sunlight.
As part of the food-making process, plants give off ___________.
1. carbon dioxide
2. nitrogen
3. oxygen
4. hydrogen
The part of the plant that supports it and helps it to stand upright is its __________.
In a flowering plant, when pollen and eggs come together, they make ____________.
Some plants are reproduced from an undeground stem called a ___________.
1. seed
2. cone
3. spore
4. bulb
Plants that use cones to reproduce are called:
1. flowering plants
2. mosses
3. connifers
4. ferns
A seed is a tine capsule that contains a plant ____________.
1. stem
2. embryo
3. root
4. cone
The part of the plant that transports water and nutients is the _________.
Wind, animals and insects help plants reproduce by bringing together eggs and ____________.