This planet is where we live.
What is Earth?
What is an organism?
Ice is this state of matter.
What is a solid?
Scientists use their eyes, ears, nose, and other senses to make these.
What are observations?
This organ pumps blood through your body.
What is the heart?
This star gives Earth light and heat.
What is the Sun?
Plants need sunlight, water, and this GAS to make food.
What is carbon dioxide?
Water that you drink is this state of matter.
What is a liquid?
A good scientific guess about what will happen is called this.
What is a hypothesis?
These organs help you breathe.
What are the lungs?
This object travels around the Earth.
What is the Moon?
Animals that only eat plants are called this.
What are herbivores?
What is a gas?
Scientists use this tool to measure temperature.
What is a thermometer?
This organ controls your thoughts and movements.
What is the brain?
Earth takes about 365 days to travel around this.
What is the Sun?
This body part helps fish breathe underwater.
What are gills?
When a solid turns into a liquid, it is doing this.
What is melting?
Information collected during an experiment is called this.
What is data?
These hard structures help support and protect your body.
What are bones?
This force pulls objects toward Earth.
What is gravity?
This is the smallest basic part of a living thing.
What is a cell?
Anything that takes up space and has mass is called this.
What is matter?
At the end of an experiment, scientists use their results to make this.
What is a conclusion?
This system breaks down the food you eat.
What is the digestive system?