Earth
Coloring a piece of paper.
What is physical change?
The system that is responsible for digesting food.
What is the digestive system?
The first step in the Scientific Method.
Question or problem
Liquid rock inside the Earth.
What is magma?
Lighting a match
What is chemical change?
Part of a cell that protects the cell and holds organelles in.
What is a cell membrane?
These are blood vessles that carry blood away from the heart (most of the time).
What are arteries?
This is an educated guess that predicts the result of the experiment.
What is a hypothesis?
Where most of the volcanic and earthquake activity happens on the Earth.
What is the ring of fire?
Mixing baking soda and vinegar
What is a chemical change?
Rocks that form when hot, liquid rock (magma) cools.
What are igneous rocks?
This is the organ that is responsible for moving food from the mouth to the stomach.
What is the esophagus?
This kind of variable is the one that gets changed in an experiment.
What is an independent variable?
What is a physical change?
These are 2 organelles that only plant cells have.
What are chloroplasts and a cell wall?
Will also accept large vacuole.
Rocks formed from intense heat and pressure.
What are metamorphic rocks?
This body system includes the brain and spinal cord.
This is the type of sentence a good hypothesis should be.
What is "If... Then..." statement?
Rust on a bicycle
What is a chemical change?
An organelle that makes proteins.
What is a ribosome?
Rocks formed when grains of rock or minerals (sediments)are buried, squeezed together, and cemented by minerals.
What are sedimentary rocks?
This is the blood vessel that carries blood from the heart to the lungs.
What is the pulmonary artery?
To have a fair experiment, you should always have more than one of these.
What are controled variables?