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WorksheetsPre/Post Test 2023
Total questions: 45
Worksheet time: 23mins
The best reason for a scientist to accept a specific theory is ____________,
to obtain funding for the research
that research and observations support the theory
because there can only be one correct theory
to gain recognition as a great scientist
Which of the following is an example of an element?
Argon
Water
Salt
Tea
What type of graph would be most appropriate to represent the amount of money the school spent on computers over time?
Pie Graph
Bar Graph
Line Graph
Histogram
What is the charge of a proton?
positive (+1)
neutral (0)
negative (-1)
What is the charge of a neutron?
positive (+1)
neutral (0)
negative (-1)
What is the charge of an electron?
positive (+1)
neutral (0)
negative (-1)
Which box contains ONLY chemical properties of matter?
Acidity
State of Matter
Malleable
Soluble
Reactive
Flammable
Flammable
State of Matter
Which of the following are characteristics of a GROUP on the periodic table?
have the same number of protons
represented by rows 1 - 7
have different physical properties
have the same number of valence electrons
All atoms of the same element contain the same number of
protons
neutrons
electron clouds
mass
What is the atomic number for sodium?
22.99
11
12
Na
The atomic number tells you the number of what two subatomic particles in a neutral atom?
protons and neutrons
neutrons and electrons
electrons and protons
electrons, protons, and neutrons
The boiling point of a substance will be the same temperature as its _________ point.
condensation
melting
freezing
sublimation
As a wave's energy increases, the wavelength
stays the same
decreases
flattens out
increases
A push or a pull
motion
reaction
force
gravity
Which electromagnetic wave has the highest energy and shortest wavelength
visible light
radio waves
infrared waves
gamma waves
Which of the follow is NOT a wave on the electromagnetic spectrum?
microwave
x-ray
light
sound
Different types of waves on the electromagnetic spectrum share the same _________________.
frequency
wavelength
speed
energy
Light bends as it passes from one medium to another.
absorption
transmission
reflection
refraction
Light waves hit a substance and bounces off.
absorption
transmission
reflection
refraction
When light waves spread out to move around an object.
absorption
diffraction
reflection
refraction
The color an object appears is caused by what phenomenon?
The wavelengths of light reflected from the object.
The wavelengths of light created by the object.
The wavelengths of light refracted by the object.
The color of an object is not related to light.
The angle of reflection is equal to the angle of _______________.
incidence
normal
reflection
itself
What type of mirror reflects a magnified, upright image?
plane mirror
convex mirror
concave mirror
fun house mirror
Water is an example of
element
compound
mixture
solid
Light passes through the lens and forms a smaller image on the sensor or film that records the image.
camera
microscope
telescope
binoculars
Light passes from an object to the objective lens. This image is an enlarged view of the object. The enlarged image is further magnified by at least one other lens near the viewer's eye.
camera
microscope
telescope
binoculars
Light passes through multiple convex lenses to enlarge the image of objects, such as distant stars, that are only small looking because they are so far away.
camera
microscope
telescope
binoculars
Light passes through a convex lens creating an enlarged image. This image which starts out upside down, passes through two prisms to be rotated right-side-up, before passing through the eyepiece lens for further magnification.
camera
microscope
telescope
binoculars
Which electromagnetic wave can be used to fight cancer cells?
radio waves
microwaves
x-rays
gamma waves
Which electromagnetic wave can be used to screen baggage at the airport?
radio waves
microwaves
x-rays
gamma waves
Acceleration is the change in ________ per unit of time.
speed
power
velocity
force
Motion can be described using ____________ and time.
position
height
weight
energy
Friction can cause _____ to be transferred from one object to another.
electrons
protons
neutrons
particles
Objects with like charges ______________.
attract
fight
repel
explode
Material that allows electric currents to flow easily.
resistor
insulator
conductor
parallel
Flow of electrons through a circuit.
resistor
insulator
static
current
Choose the box that contains ONLY insulators
Rubber
Copper
Glass
Silicon
Wood
Glass
Rubber
Metals
In a series circuit with 2 light bulbs, which statement describes what will happen when 1 of the bulbs burns out or is removed.
The other bulb will also burn out
The other bulbs brightness will not change
the other bulb will begin flashing
the other bulb will stay lit, but be dim
A group of campers travel to a cabin which has no electrical power; In order to provide the power for a heater and lights, which device would you use?
insulator
resistor
voltometer
generator
A device that converts electrical energy into mechanical energy.
Motor
Generator
Electromagnet
Series
A device that converts mechanical energy to electrical energy
generator
motor
electromagnet
parallel circuit
A temporary magnet created with metal nail, wire, and a battery
parallel series
electromagnet
generator
motor
The SI unit for length is
meter
liter
gram
pound
What scientific tool would you use to measure the mass of an object?
triple beam balance
flask
graduated cylinder
spring scale
The freezing point of water is __________ degrees celcius.
0
32
100
212
