This state of matter has a definite shape and volume.
Solid
The movement of energy through different organisms in an ecosystem is shown in this diagram.
food web
This is the planet known as the "Red Planet."
Mars
This organ pumps blood throughout the body.
Heart
The ability to do work or cause change is called ____.
Energy
The process where an organism changes form as it grows, such as a butterfly.
metamorphosis?
The Sun is classified as this type of celestial object.
Sun
The system responsible for breaking down food into nutrients.
Digestive System
When a solid turns directly into gas without becoming a liquid, it is called ____.
sublimation
This term describes the role an organism plays in its ecosystem.
Niche
This layer of the Earth is made of solid rock and is divided into tectonic plates.
crust
These structures in the respiratory system help filter dust and dirt from the air we breathe.
Cilia
The process by which heat is transferred through direct contact.
conduction
Animals that only eat plants are called ____.
herbivores
This force keeps planets in orbit around the Sun.
gravity
The main function of red blood cells.
to carry oxygen
The law that states energy cannot be created or destroyed, only transformed.
The Law of Conservation of Energy
The process by which plants make their food using sunlight.
Photosynthesis
What is the Earth's only satellite
Moon/Luna
The largest organ in the human body.
skin