Worksheets7th Grade Midterm Review
Total questions: 45
Worksheet time: 23mins
What is an observation?
Making a guess about the future
Using one or more of your senses to gather information
Using observations and prior knowledge to make a statement
An educated guess using If...Then...Because
Making a statement based off of observations and prior knowledge is known as a(n) _________________
Hypothesis
Inference
Observation
Prediction
Which of the following statements is an inference?
The plant is green
The plant has flowers
The plant may be poisonous
The plant has a thick, brown stem
Which of the following is NOT one of the steps in the scientific method?
Ask the teacher for help
Conduct an experiment
Make an observation
Analyze data
What is an example of replication?
Shooting 50 free throws before practice begins
Writing my name over and over again
Reading Mr. Castellano's recipe for muffins and trying to make them myself
Reading your favorite book every summer.
In which step of the scientific method is information obtained through the senses?
Analyzing data
Making observations
Predicting an outcome
Revising a hypothesis
What metric unit do we measure length in?
Grams
Meters
Liters
Newtons
What instrument do we use to measure mass?
Graduated cylinder
Meter stick
Beaker
Triple Beam Balance
Roses were studied to determine if the amount of humidity affected the flowering of the rose buds. Which of these was the dependent variable?
Type of rose
Amount of humidity
Flowering rose buds
Amount of sunlight
Variables that remain the same for all groups in an experiment are known as a(n)
Control
Independent
Dependent
Constant
Quantitative data is ...
Data expressed without numbers
Data expressed as numbers
Data that describes characteristics
None of the above
What axis does the INDEPENDENT variable go?
Y-Axis
X-Axis
No axis
Title
What is the definition for Repetition?
creating an original experiment
one scientist doing multiple trials of their own experiment
peer reviewing another scientists procedures and experiment
one scientist conducting another scientist's experiment
For which of the following would the kilometer be the most appropriate?
The wingspan of an eagle
The height of Mr. Calderone
The length of an ant
The distance from Jacksonville to Orlando
A measure of the average kinetic energy of the individual particles in an object is called _________
Thermal energy
conduction
temperature
heat
If a large bowl of soup and a cup of coffee have the same temperature, but the soup is larger than the coffee, the larger bowl of soup ...
has a higher temperature
has more thermal energy
has more degrees
all of the above
Using the diagram, which letter would represent the area where the roller coaster has the greatest kinetic energy?
1
2
3
4
What is happening when the cart is moving from 3 ---> 4?
Kinetic ---> Potential
Potential ---> Kinetic
Thermal ---> Chemical
Nuclear ---> Electrical
As a car skids to a stop, friction transforms some of the kinetic energy of the car into _____ energy.
Chemical
Thermal
Nuclear
Electrical
What form of heat transfer is indicated by letter C?
Conduction
Convection
Radiation
What form of heat transfer is indicated by letter B?
Conduction
Convection
Radiation
How do you know when the transfer of heat (thermal energy) has ended?
When you can measure the amount of heat
Both objects reach the same temperature
It never ends
When the substance that is receiving the heat reaches its boiling point
Which of the following statements about heat is false?
Heat stops flowing when the temperatures are equal
Heat is the transfer of chemical energy
Heat flows from warmer objects to cooler objects
All objects with moving particles have heat
The law of conservation of energy states that when one form of energy is transformed to another,
no energy is destroyed in the process
energy is destroyed in the process
energy is created in the process
some amount of energy cannot be accounted for
The melting of ice cream demonstrates a change in the state of matter of the ice cream. What causes the change from a solid to a liquid?
There was an increase in the chemical energy
There was an increase in the kinetic energy
There was a decrease in the kinetic energy
There was a decrease in the chemical energy
Which of the following is an example of chemical energy?
Running a marathon
Burning logs on a fire
TV plugged into the wall
Reading a book
What energy transformation is taking place when moving water turns a turbine and generates electricity?
Mechanical to electromagnetic
Mechanical to chemical
Mechanical to electrical
Mechanical to nuclear
What part of the wave is #1?
Crest
Wavelength
Trough
Amplitude
What part of the wave is #2?
Crest
Wavelength
Trough
Amplitude
What part of the wave is #3?
Crest
Wavelength
Trough
Amplitude
What part of the EM Spectrum is #3?
Radio
Gamma
X-Ray
Infrared
What part of the EM Spectrum is #6?
Radio
Gamma
X-Ray
Infrared
Which wave has the highest frequency?
Gamma
Radio
Microwave
Visible Light
An electromagnetic wave from the sun travels through space
at the speed of sound
at half the speed of light
at the speed of light
at twice the speed of light
What can you infer about a wave with a short wavelength? Check all that apply
High energy
Low frequency
Low Energy
High amplitude
High frequency
The term refraction refers to
the bouncing back of light
the bending of light
the absorption of light
the scattering of light
When an object absorbs any amount of light, the light is converted into
chemical energy
thermal energy
nuclear energy
mechanical energy
On a bright sunny day, a black car and a white car are parked in a parking lot for several hours. Which car will be warmer and why?
The black car because the color will be reflecting more light converting it to more thermal energy.
The white car because the color will absorb more light converting it to thermal energy.
The black car because the color will absorb more sunlight converting it to thermal energy.
The white car because the color will be reflecting more light and converting it to chemical energy.
A result of sound waves _________ off a mountain would be an echo.
refracting
reflecting
absorbing
What layer of earth creates the magnetic field?
Crust
Mantle
Outer Core
Inner Core
This layer of the Earth is composed of the upper mantle and the crust.
Asthenosphere
Mesosphere
Lithosphere
Ozone Layer
These floating pieces of the Lithosphere cause earthquakes, volcanoes, and mountains.
Legos
Tectonic Plates
Pangea
Asthenosphere
How does the pressure and temperature change the farther into the Earth you go?
Higher temperatures, lower pressure
Higher temperatures, same pressure
Lower temperatures, higher pressure
Higher temperatures, higher pressures
What do the layers of the Earth differ in? Check all that apply:
Size
Color
Composition
Pressure
Temperature
What is the only liquid layer of Earth's interior?
Crust
Lithosphere
Outer Core
Inner Core
