Scientific Method and Safety Matter Compounds, Elements, Mixtures Energy and Simple Machines Waves
100
True
A laboratory apron will protect your clothing from spills (True or False)
100
True
Particles in a solid move, but only a little and it is more like a vibration. (True or False)
100
Mixture
A combination of two or more substances that are not chemically combined is a(n) __________________.
100
Kinetic
________ energy is the energy of motion.
100
Energy
Waves transfer ___________.
200
control variables
Factors that do not change are called ___________.
200
Physical Change
A change of matter from one form to another without a change in chemical properties is a _____________.
200
Heterogeneous
A pizza is an example of a ____________ mixture.
200
Inclined plane
What type of simple machine is a ramp?
200
Longitudinal
In a __________ wave, the medium is vibrating in the same direction the energy is moving.
300
Design an Experiment
What do you do to test a hypothesis?
300
Definite mass, NO definite shape, No definite volume
Give one property of mass
300
Mixture
Air is a(n) ____________.
(element, compound, or mixture)
300
Lever
What type of simple machine is a shovel?
300
increases
As amplitude increases, energy ________.
400
Y
12. When creating a graph, the dependent variable goes on the ____ axis.
400
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 _______________.
400
Compound
A substance made up of atoms of two or more different elements joined by chemical bonds is a(n) _____________.
400
Energy
The ability to do work is _________.
400
decreases
As wavelength increases, energy ________.
500
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.
500
Physical
Melting butter is a _____________ change.
500
Element
40. A substance that cannot be separated or broken down into simpler substances by chemical means is a(n)__________________.
500
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
500
Electromagnetic
Waves that do not require a medium are _______.






7th Grade Fall Final

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