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WorksheetsGrade 7-Summative-IMG
Total questions: 35
Worksheet time: 19mins
It is the application of science.
technology
social studies
medicine
filipino
3. Andrei placed one solution under fire while the other on ice. Which part of the Scientific method is being described?
Testing the hypothesis
observation
conclusion
making hypothesis
What is the basis of an educational guess or hypothesis?
own opinion
hearsay
observations
nothing
What do you call the quantity, factor, or condition that can be controlled or changed in the experiment?
conclusion
application
quantity
variable
Complete the sentence: Matter is anything that has _____ and _____.
atom and density
mass and voulume
substance and mixtures
element and compound
The Periodic Table of Elements is arranged in what manner?
alphabetical order
increasing atomic number
decreasing atomic number
random arrangement
Which of the following is TRUE about pure substance?
heterogeneous
does not melt completey
properties are the same all throughout
has varying composition
It is a systematized body of knowledge based on facts observation and experimentation.
MATHEMATICS
SOCIAL SCIENCES
SCIENCE
ENGINEERING
It is a simple statement that presents the possible solution to the problem.
hypothesis
theory
conclusion
prediction
It is a systematic process of investigation.
scientific method
problem solving
formulation of hypothesis
reporting of findings
What does the picture show?
identifying the problem
drawing conclusion
testing the hypothesis
reporting of findings
have similar properties.
are in the same period.
have the same atomic mass.
have very similar chemical symbols.
What is a solvent
A liquid that will dissolve a solid solute
Another word for solution
A thing that make drinks change colour
Usually the solid about to be dissolved
Which would NOT increase the rate at which a sugar cube dissolves?
Reducing the amount of solvent
Crushing the sugar cube
Stirring the solution
Heating the solvent
You can make a solute dissolve more quickly in a solvent by
adding more solute.
adding ice.
heating the solvent.
removing some solvent.
The amount of solute that can be dissolved in a specific amount of solvent at a given temperature is its
concentration.
density.
dilution.
solubility.
Which of the following is a solution?
sand
concrete
coffee
chocolate cookie
To make a solute dissolve more quickly in a solvent which would you do?
Put it in cold water and stir it
Put it in warm water and stir it
Define the term soluble.
Can dissolve in water
Cannot dissolve in water
Partially dissolves in water
Which of the following refers to the solution that contains less amount of solute than can dissolve at a given temperature?
A. Solubility
B. Unsaturated solution
C. Saturated solution
D Supersaturated solution
Define the term insoluble.
Can dissolve in water.
Cannot dissolve in water.
Partially dissolves in water.
What is the percent by mass of a solution made by dissolving 20.0 g of NaCl into 180.0 g of water?
10.0 %
11.1 %
80.0 %
20.0 %
What mass of water should be added to 22.0 g of KCl to make 5.50% by mass solution?
400 g
40 g
0.25 g
25 g
