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WorksheetsSummative Exam Science7
Total questions: 62
Worksheet time: 33mins
What is the correct order of steps in the scientific method?
Ask a question, make a hypothesis, test the hypothesis, draw conclusions, and analyze the data, Conduct a research.
Conduct a research, Ask a question, analyze results, make a hypothesis, test the hypothesis, and draw conclusions.
Ask a question, Conduct a research, Make a hypothesis, test the hypothesis, analyze results, and draw conclusions.
Make a hypothesis, test the hypothesis, Conduct a research, analyze results, ask a question, and draw conclusions.
What is the process of obtaining information using your senses?
Inquiry
Observation
Conclusion
Scientific Method
What variable can be changed or manipulated?
Dependent variable
Independent variable
Experimental variable
Uncontrolled variable
When scientist shares her findings with other scientists, she is _________________.
experimenting
making a hypothesis
analyzing data
communicating results
In which step of the scientific method do we want to use graphs?
Analyze data
Make hypothesis
Asking questions
Communicate results
A series of steps designed to help you solve problems and answer questions.
Experiment
Observation
Hypothesis
Scientific method
Compounds are different than elements because compounds are ---
combinations of two or more elements.
made from the same type of atoms.
not able to be broken down into parts.
a pure substance; elements are not.
This is the basic structure of all matter.
Element
Atom
Compound
Mixture
It is anything that occupies space and has mass.
Matter
Compound
Mixture
Solutions
Is water an element or a compound?
Element
Compound
Is Iron (Fe) an element or a compound?
Element
Compound
Which of the following represents an element?
H2O
NaCl
H
CaCO3
A mixture in which its composition is the same throughout the mixture and it cannot easily be identified nor separated
Homogenous Mixture
Heterogenous Mixture
Water and Sugar Mixture are what kind of mixture?
Homogenous Mixture
Heterogenous Mixture
A mixture in which its composition is not the same throughout the mixture and particles or substances in the mixture can still be identified and separated
Homogenous Mixture
Heterogenous Mixture
Water and Oil Mixture are what kind of mixture?
Homogenous Mixture
Heterogenous Mixture
Refer to the picture shown. What kind of mixture is it?
Homogenous Mixture
Heterogenous Mixture
Refer to the picture shown. What kind of mixture is it?
Homogenous Mixture
Heterogenous Mixture
Refer to the picture shown. What kind of mixture is it?
Homogenous Mixture
Heterogenous Mixture
Refer to the picture shown. What kind of mixture is it?
Homogenous Mixture
Heterogenous Mixture
What is the symbol of Hydrogen?
H
Hy
Hi
Hd
__ is a pure substance containing two or more kinds of atoms.
Element
mixture
compound
solution
Is sodium (Na) an element or a compound?
element
compound
Is CO2 (carbon dioxide) is element or compound?
element
compound
Where can you find examples of elements?
Dictionary
Periodic table of elements
Periodic table of compounds
Your neighbor
A scientist made a prediction saying that he thought that the tennis ball would bounce higher than a basketball. What scientific skill did he use?
Conclusion
Hypothesis
Observation
Experiment
A procedure that is carried out under controlled conditions to test a hypothesis
is a(n) __________.
Observation
Experiment
Evaluation
Conclusion
The steps used by scientists to solve problems and uncover facts make up the________.
Scientific investigation
Scientific method
Experiment
Hypothesis
An educated guess to explain a phenomenon is __________.
Hypothesis
Experiment
Scientific method
Scientific investigation
The purpose of an experiment is ______.
To communicate the data
To prove a scientific law
To test the hypothesis
To know the truth
A written statement using the word “if” and “then”.
Result
Question
Hypothesis
Conclusion
Before you can form a hypothesis; first, you need to _____.
Draw a conclusion
Perform an experiment
State the problem or question
Analyzing Data
_______________ is what we think will be the outcome of our experiment or data collection.
Observation
Prediction
Conclusion
Question
To make a conclusion we will ______________.
Compare the data from the experimental result to the prediction we tested.
Keep making different tests until they show what you want to see.
Look at the hypothesis and choose which one you like the best.
Guess what the result should be.
A scientific investigation done under controlled conditions, usually in a laboratory, is known as ______.
Result
Hypothesis
Prediction
Experiment
As a scientist, stating what you think will happen next is to _________.
Analyze
Predict
Modify
Communicate
The other word for hypothesis is ______.
Evidence
Prediction
Method
Investigation
What type of mixture is this?
HOMOGENEOUS MIXTURE
HETEROGENEOUS MIXTURE
What element is group 1 period 4?
potassium (K)
calcium (Ca)
magnesium (Mg)
sodium (Na)
What element is group 18 period 5?
XENON(Xe)
NEON(Ne)
HELIUM(He)
TELLURIUM(Te)
What element is group 13 period 3?
SILICON(Si)
PHOSPHORUS(P)
ALUMINUM(Al)
NITROGEN(N)
What element is group 15 period 2?
NITROGEN (N)
OXYGEN (O)
SULFUR (S)
FLUORINE (F)
What element is group 2 period 6?
RADIUM(Ra)
BARIUM(Ba)
HYDROGEN(H)
CALCIUM(Ca)
What element is group 8 period 4?
COBALT (Co)
NICKEL (Ni)
MANGANESE (Mn)
IRON (Fe)
What element is group 17 period 3?
CHLORINE (Cl)
NITROGEN (N)
SULFUR(S)
CARBON (C)
What is the atomic number of Hydrogen (H)?
1
2
3
4
What is the atomic number of Oxygen (O)?
5
4
9
8
What is the symbol of Chlorine?
Ca
C
Ch
Cl
What is the symbol of Gold?
G
Gd
Au
Ag
What is the symbol of Potassium?
P
K
Po
S
This is a special type of mixture that is made when one substances dissolve and mixes fully with one another.
mixture
elements
solutions
It refers to the substances being dissolve in a given solvent.
solvent
solute
saturated solutions
It refers to the substance that dissolve a solute.
solvent
solute
homogeneous mixture
Degree of saturation that has less solute than solvent.
saturated
unsaturated
supersaturated
It contains more solute than a given solvent.
saturated
unsaturated
supersaturated
A solution that contain more solute than a normal by raising the temperature of the solvent.
saturated
unsaturated
supersaturated
One pack of gelatin powder completely dissolve in 400g water
saturated
unsaturated
supersaturated
When another 200g of flour was added to the solution, the additional flour was not dissolved completely and settled.
saturated
unsaturated
supersaturated
1. What is the percent by mass of 10g of iron (II) sulfate dissolved in 85 g of water?
12.00
13.00
14.00
What is the percent by volume of a solution formed by mixing 30 mL of isopropanol with 70 mL of water?
42.00
43.00
44.00
A solution is formed by adding 25 g of ammonium nitrate to 150 g of water. What is the percent by mass of ammonium nitrate?
15.00
16.00
17.00
A solution is made by dissolving 75 g of sodium chloride in 30 g of water. What is the percent by mass?
250
260
270
