Scientific Method and Safety | Matter | Compounds, Elements, Mixtures | Energy and Simple Machines | Waves |
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True
A laboratory apron will protect your clothing from spills (True or False)
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True
Particles in a solid move, but only a little and it is more like a vibration. (True or False)
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Mixture
A combination of two or more substances that are not chemically combined is a(n) __________________.
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Kinetic
________ energy is the energy of motion.
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Energy
Waves transfer ___________.
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control variables
Factors that do not change are called ___________.
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Physical Change
A change of matter from one form to another without a change in chemical properties is a _____________.
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Heterogeneous
A pizza is an example of a ____________ mixture.
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Inclined plane
What type of simple machine is a ramp?
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Longitudinal
In a __________ wave, the medium is vibrating in the same direction the energy is moving.
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Design an Experiment
What do you do to test a hypothesis?
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Definite mass, NO definite shape, No definite volume
Give one property of mass
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Mixture
Air is a(n) ____________.
(element, compound, or mixture) |
Lever
What type of simple machine is a shovel?
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increases
As amplitude increases, energy ________.
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Y
12. When creating a graph, the dependent variable goes on the ____ axis.
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What is Inertia
The tendency of an object to resist being moved or, if the object is already moving to resist change in speed or direction until an outside force acts on the object is _______________.
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Compound
A substance made up of atoms of two or more different elements joined by chemical bonds is a(n) _____________.
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Energy
The ability to do work is _________.
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decreases
As wavelength increases, energy ________.
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Ability to learn in school
What is the dependent variable in the following sentence:
Eating breakfast in the morning increases the ability to learn in school. |
Physical
Melting butter is a _____________ change.
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Element
40. A substance that cannot be separated or broken down into simpler substances by chemical means is a(n)__________________.
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C. Pushing as hard as you can on my cinder block wall
Which of the following is not an example of work?
A. Picking a pebble off of the ground B. Throwing a ball C. Pushing as hard as you can on my cinder block wall |
Electromagnetic
Waves that do not require a medium are _______.
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