Any CHARACTERISTIC of a material that you can observe without changing the identity of the substances that make up the material is a ___________ ____________.
What is a Physical Property?
200
Says that matter is composed of particles in motion.
What is the kinetic theory?
200
List the steps of the scientific method.
What is 1. state the problem 2. gather information 3. form an hypothesis 4. test the hypothesis 5. analyze data 6. draw conclusions 7. State if hypothesis was supported or not supported
200
Often show how a relationship between variables changes over time.
What is a line graph?
200
1.___________s have an ___________ charge of 1+
2.___________s do _____ have an electrical charge.
3.___________s have an electrical _______ of 1-
What is 1.Protons, electrical 2. Electrons, not 3. Neutrons, charge.
200
A ___________ ____________ is a characteristic of a substance that indicates whether it can undergo a certain CHEMICAL change.
What is a Chemical Property?
300
Solid to a Gas. Heat is absorbed.
What is sublimation? What is endothermic?
300
A quantity that can have more than a single value.
What is a variable?
300
the x-axis is for the _____________ variable and the y-axis is for the _____________ variable.
What is 1.independent 2. dependent?
300
Elements in the same group have the same number of __________s in their outer energy level.
What is electrons?
300
Is the ability of a fluid- a liquid or a gas- to exert an upward force on an object immersed on it.
What is Buoyancy?
400
Find the missing word in this sentence: Different kinds of solids have __________ of different shapes.
What is crystals?
400
The application of science to help people.
What is technology?
400
This type of graph is useful for comparing information collected by counting.
What is a bar graph?
400
Each of the seven energy levels can have a ____________ number of electrons.
What is maximum?
400
Is the force exerted per unit area.
What is Pressure?
500
Solid which is not made of crystals.
What is an Amorphous Material.
500
A scientific _________ is an explanation of things or events based on knowledge gained from many observations and investigations. A scientific _______ is a statement about what happens in nature and that seems to be true all the time.
What is 1. theory 2. law
500
The slices of this graph represent the parts and usually are represented as _____________s of the total.