What is the first step of the scientific method?
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What is an organism that makes its own food called?
producer
What system helps you breathe?
Respiratory system
Matter has mass and takes up what?
Space
What causes day and night?
Earth rotates
What do you call something you can change in an experiment?
Variable
What is an animal that eats plants called?
Herbivore
What organ pumps blood through the body?
Heart
What are the three common states of matter?
Solid, liquid, gas
What causes seasons?
Earth’s tilt and orbit around the sun
What is it called when you write what you think will happen?
Hypothesis
What is the role of decomposers?
Break down dead organisms
What system helps move your body?
Muscular system
Which state of matter keeps its own shape?
Solid
What planet do we live on?
Earth
What should you keep the same during an experiment?
Constants
What happens if a predator is removed from a food chain?
Prey population may increase
What carries messages from the brain to the body?
Nervous system
What happens when liquid water freezes?
It becomes a solid
What is the moon’s gravity mainly responsible for on Earth?
Tides
What is the last step after collecting data?
Draw a conclusion
What do all living and nonliving things in an area make up?
Ecosystem
What is the job of the digestive system?
Break down food for nutrients
What is it called when matter changes from liquid to gas?
Evaporation
What star is at the center of our solar system?
The Sun