What part of your body controls everything you do, think, and feel?
Brain
What do we call a group of stars that form a pattern in the sky?
Constellation
What planet is known as the Red Planet?
Mars
What are the three states of matter?
Solid, liquid, gas
What is the process called when plants make their own food?
Photosynthesis
Which system helps you breathe?
Respiratory system
What is the force that keeps us on the ground?
Gravity
What is the smallest unit of life?
Cell
What tool do scientists use to measure temperature?
Thermometer
What do we call animals that only eat plants?
Herbivores
What type of joint is in your shoulder that allows it to move in many directions?
Ball-and-socket joint
What causes day and night on Earth?
Earth’s rotation on its axis
What is H₂O better known as?
Water
What happens when water changes from liquid to gas?
Evaporation
What part of the plant takes in water and nutrients from the soil?
Roots
What are the small air sacs in your lungs called where gas exchange happens?
Alveoli
What are the three main layers of the Earth?
Crust, mantle, core
What is the center of an atom called?
Nucleus
What kind of energy does the Sun give us?
Light and heat energy
What is a community of living and non-living things interacting called?
Ecosystem