Scientific Method
A series of steps used by scientists to solve a problem or answer a question.
What is the scientific method?
On a graph, which axis shows the dependent variable?
What is the y-axis?
What number tells you the number of protons and electrons?
What is the atomic number?
Which correctly describes the smallest amount of an element?
What is an atom?
Sugar dissolves in warm water
What is physical change?
The name of the information that you get from your experiment (you organize it into charts and graphs).
What is data?
This variable in an experiment is the one being changed by the scientist.
What is an independent variable?
What subatomic particle is not inside the nucleus?
What is an electron?
What particle has a positive charge?
What is a proton?
A type of change where the substance stays the same, but size and shape may change.
What is physical change?
A testable explanation to a problem that has not yet been tested.
What is a hypothesis?
There are two types of fuel poured into the same car to see which one works best. What type of variable is the fuel?
What is an independent variable?
This element has the symbol Na
What is sodium?
What are atoms composed of?
What are protons, neutrons and electrons?
This type of matter keeps a definite shape.
What is a solid?
What skill is a scientist using when she listens to the sounds that an elephant makes?
What is making an observation?
Mr. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.
What is the mass of the ball?
When added together they make up the atomic mass of an element.
What are protons and neutrons?
Where are electrons found?
What is outside of the nucleus?
These molecules move rapidly and freely wherever there is open space.
What is a gas?
What are the five steps in the scientific method?
What is ask a question, hypothesis, procedure, results and conclusion?
A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.
What is the height that the ball bounces?
The vertical columns of the periodic table are called
The horizontal rows are called
What are groups?
What are periods?
A substance made of two or more different atoms chemically bonded to one another. They can only be destroyed by chemical processes.
What is a compound?
True or False. Turning peanuts to peanut butter is an chemical change.
What is FALSE? To make peanut butter, you grind up roasted peanuts, so nothing new is being created.