Life cycle
What is the first stage in a butterfly's life cycle?
An egg.
Is a tree a living thing or a nonliving thing?
A living thing.
What are three things plants need to live?
Water, sunlight, and air.
What covers most of Earth's surface: land or water?
Water.
Which sense do you use to smell a flower?
Your sense of smell.
What is the stage called when a butterfly is a caterpillar?
The larva stage.
What do living things need to survive?
Water, air, and food (or energy).
What part of the plant takes in water from the soil?
The roots.
What large body of salt water surrounds continents?
An ocean.
Is a rock a living thing or a nonliving thing?
A nonliving thing.
During which stage does a butterfly change inside a chrysalis?
The pupa stage.
Which one is living: a butterfly or a bicycle?
A butterfly.
What are the four basic needs of animals?
Food, water, air, and shelter.
Is a river made of fresh water or salt water?
Fresh water.
What star gives Earth light and heat?
The Sun.
What is the final stage of a butterfly's life cycle?
The adult butterfly stage.
Which of these is nonliving: flower, bird, water, or tree?
Water.
Which animal group does a butterfly belong to: mammals, reptiles, or insects?
Insects.
What is the name of the land we live on, surrounded by water and air?
Earth.
What tool would you use to look closely at a tiny insect?
A magnifying glass.
Why does a caterpillar eat so much during the larva stage?
To grow bigger and store energy for changing into an adult butterfly.
How can you tell if something is living?
It grows, needs food and water, and can reproduce.
Why do animals need habitats?
Habitats provide food, water, shelter, and space to live.
Why is water important for living things?
Plants, animals, and people need water to survive.
A scientist sees puddles on the ground after a storm. Is this an observation or an inference?
An observation.