🦴 Fossils
💧 States of Matter
🌎 Solar System
🌱 Ecosystems
100

What is a fossil?

➡️ Answer: The remains or traces of a living thing from long ago.

100

What are the three main states of matter?

➡️ Answer: Solid, liquid, gas.

100

What is the star at the center of our solar system?

➡️ Answer: The Sun.

100

What is an ecosystem?

➡️ Answer: A community of living and nonliving things interacting together.

200

Name one type of fossil.

➡️ Answer: Mold, cast, trace fossil, or preserved remains.

200

Which state of matter has a definite shape?

➡️ Answer: Solid.

200

What is the largest planet? 

Jupiter

200

What is a producer?

➡️ Answer: A living thing (like a plant) that makes its own food.

300

How are most fossils formed?

➡️ Answer: When plants or animals are buried by sediment and harden over time.

300

What happens to liquid when it is heated?

It evaporates into a gas.

300

What causes day and night on Earth?

➡️ Answer: Earth’s rotation.

300

What is always the second item in a food chain?

A producer
400

Why are fossils important to scientists?

➡️ Answer: They help us learn about past life and environments on Earth.

400

What happens to a gas when it is cooled?

It condenses into a liquid.

400

Why do we have seasons on Earth?

➡️ Answer: Because Earth is tilted as it orbits the Sun.

400

What will happen if one item is removed from a food chain?

The ecosystem will be overpopulated OR die out altogether.