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WorksheetsCCEC Grade 7 Week 5
Total questions: 70
Worksheet time: 51mins
Where might you be asked to include the potential sources of error for the experiment?
In the title
With the hypothesis
With the materials
With the discussion
What section describes how to do the experiment?
Introduction
Materials
Data
Conclusion
Procedure
What section of the lab report do you discuss whether or not you supported your hypothesis?
Evaluation
Materials
Conclusion
Discussion
Formal lab reports MUST include a title page?
True
False
What is the significance of including a conclusion in a lab report?
It provides a space to write personal opinions about the experiment
It adds unnecessary length to the report
It summarizes the findings and results of the experiment.
It has no impact on the overall quality of the lab report
Explain the difference between qualitative and quantitative data in the context of a lab report.
Qualitative data is descriptive and deals with qualities or characteristics, while quantitative data is numerical and deals with quantities or measurements.
Qualitative data is numerical and deals with quantities, while quantitative data is descriptive and deals with qualities or characteristics.
Qualitative data and quantitative data are the same and can be used interchangeably in a lab report.
Qualitative data is not important in a lab report, while quantitative data is the most crucial.
How can a lab report contribute to the scientific community?
By keeping the findings confidential to prevent others from building on the research
By using vague language and ambiguous results to confuse other scientists
By only sharing the conclusions without any supporting data or methodology
By providing detailed findings, methodology, and results of experiments for further study and advancement of knowledge.
Mr. Pransky wants to see how different surfaces affect how high a tennis ball can bounce. What is the independent variable?
the different surfaces
using the same ball
how high they bounce
These are the variables that should stay the same. They do not get any changes in order to make for a fair test.
Dependent Variables
Controlled variables
Independent Variables
The variable that is being tested, counted, or measured and how it reacts to the independent variable is known as:
Independent Variable
Controlled Variable
Dependent Variable
What is the DEPENDENT variable (effect that is measured) in this experiment?
"Do tall people jump further than short people?"
height of the person
weight of the person
how fast the person runs
how far the person jumps
Sadie is testing how the age of a seed affects how fast plants grow. Look at the picture to see if you can figure out what makes her experiment unfair. Mark all that apply.
She used different types of seeds/plants.
The plants are in different kinds of pots.
She did not plant very many plants.
Seed age might not make a difference.
You are testing how the amount you water a plant affects its growth. What would be the INDEPENDENT VARIABLE in this experiment.
They type of pot you put the plants in.
The amount you water each plant.
The amount of sunlight the plants get.
The amount the plant grows.
What is the DEPENDENT variable (effect) in this experiment?
"Does eating breakfast improve test scores?"
eating breakfast or not
the grade you got on the test
what time you get up in the morning
how tasty the breakfast is
This variable is the one thing that changed on purpose...
Dependent Variable
Control
Independent Variable
A student wants to test the hypothesis of "If salt is added to water then the boiling point of water will decrease (go down)." What is the independent variable?
Whether salt is added or not
Boiling Point
Amount of water
When writing a conclusion, what should scientists do?
make observations and ask questions
write predictions and do research
review the experimental procedure
analyze data and compare it to the hypothesis
Which tool(s) can be used to find volume?
ruler
beaker
graduated cylinder
triple beam balance
Which tool(s) are used to find mass?
triple beam balance
graduated cylinder
digital scale
microscope
What is an observation?
A scientific statement based on ideas
Using your senses to notice what is going on around you
To be unaware of your surroundings
The question that you want an answer to.
Angel wants to know if the type of soap has an effect on how clean her clothes get. What is the independent variable?
type of soap
how long the laundry takes
Zach wants to determine if the amount of time spent on social media has an effect of grades. What is the independent variable?
time on social media
computer skills
Zach wants to determine if the amount of time spent on social media has an effect of grades. What is the dependent variable?
popularity
grades
Which diagram show test tube and boiling tube?
Which one is burette?
Which one is filter funnel?
Which one is measuring cylinder?
This is
crucible and lid
porous pot and its cover
Bunsen burner
Test tube
What is the name of the laboratory equipment that is used to spread the heat of a flame?
Evaporating dish
Beaker
Gauze
Conical Flask
Identify the laboratory equipment that is specifically designed for heating substances.
Bunsen burner
Beaker
Evaporating dish
Conical Flask
What lab apparatus is used to measure temperature?
Test tube
Tripod
Thermometer
Funnel
Which lab apparatus is used to hold multiple test tubes?
Test tube rack
Boiling Tube
Measuring Cylinder
Funnel
A small cylindrical glass tube used ONLY to hold chemical liquids. The glass can break on high heat. Choose correc name:
chemical tube
liquid tube
boiling tube
test tube
It helps you to hold something hot. Choose correct name:
Tongs
Scissors
Grabber
Holder
What is this science apparatus?
Microscope
Test tube
Conical Flask
Volumetric Flask
What is this science apparatus?
Filter Funnel
Dropper
Magnifying Glass
Petry Dish
What is this science apparatus?
Filter Funnel
Dropper
Magnifying Glass
Petry Dish
You are heating a substance in a test tube. Always point the open end of the tube
toward yourself
toward your lab partner
toward another classmate
away from all people
When is it OK to eat or drink in the lab?
Always
Never
If you are very hungry and it is still a long time until lunch.
What does this symbol indicate?
Corrosive
Radioactive
Posion/Toxic
Bio Hazard
What footwear is the best in the laboratory?
Closed-toed shoes
sandals
open-toed shoes
any shoes
You should never _____chemicals in the lab.
taste
smell
touch
all the above
What does this symbol means?
Toxic
Flammable
Bio Hazard
Explosion
What does this safety symbol mean?
cross
chemical
harmful
sharp
This part of the lab report includes the manipulated, responding, and 3 controlled variables
Materials
Observations
Variables
Analysis
All of the steps in a lab report is called the...
Writing Method
Lab Method
Activity Method
Scientific Method
1. Read the sentences below and choose the right answer.
What is the passive voice for each sentence?.
Gabriel García Marquéz wrote "Cien años the soledad".
"Cien años de soledad" is written by Gabriel García Marquéz.
"Cien años de soledad" was writes Gabriel García Marquéz.
"Cien años de soledad" was written by Gabriel García Marquéz.
"Cien años de soledad" were written Gabriel García Marquéz.
3. Leonardo Da Vinci painted the "Mona Lisa".
The "Mona Lisa" is painted by Leonardo Da Vinci.
The "Mona Lisa" was painted by Leonardo Da Vinci.
The "Mona Lisa" painted by Leonardo Da Vinci.
The "Mona Lisa" is paint by Leonardo Da Vinci.
The internet ________ in 1980s.
was invented
invented
is invented
The books _____________________ by Fahri yesterday.
borrow
borrowed
was borrowed
were borrowed
They spent 35 euros in clothes.
35 euros were spent in clothes.
are spent 35 euros in clothes.
35 euros are spent in clothes.
35 euros was spent in clothes.
Which is the correct past form of this sentence ?
We stopped the bus.
The bus was stopped by us.
The bus was stopped by we.
We stopped the bus by us.
