🐾 Living Things
What do humans use to breathe?
Lungs
What part of a plant usually grows underground?
Roots
What planet do we live on?
Earth
What organ pumps blood through your body?
Heart
What star gives Earth light and heat?
Sun
What do we call an animal that eats only plants?
Herbivore
What do we call an animal that hunts another animal for food?
Predator
What tool measures temperature?
Thermometer
What organ controls your body and helps you think?
Brain
What tool helps scientists see things too small to see with just their eyes?
Microscope
What is the process called when a caterpillar changes into a butterfly?
Metamorphosis
What gas do plants take in from the air?
Carbon dioxide
What do we call water that falls from clouds as rain, snow, sleet, or hail?
Precipitation
What organs help you breathe?
Lungs
How many planets are in our solar system?
Eight
What do we call animals that have a backbone?
Vertebrates
What is the process plants use to make their own food?
Photosynthesis
What is it called when liquid water turns into water vapor?
Evaporation
What body system includes all of your bones?
Skeletal system
What force keeps us on the ground?
Gravity
What is the smallest unit of life that makes up all living things?
Cell
What do we call an organism that breaks down dead plants and animals?
Decomposer
What layer of Earth do we live on: crust, mantle, or core?
Crust
What body system breaks down the food you eat?
Digestive system
What do scientists call an educated prediction that can be tested?
Hypothesis