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WorksheetsMonthly Test
Total questions: 25
Worksheet time: 2hrs 55mins
The ____________ is a process for experimentation that is used to explore observations and answer questions
Scientific Skills
Science Method
Science Method
Scientific Method
It is to define the problem or issue you wish to resolve.
Make an observation
Ask Question
Make a hypothesis
Test the hypothesis
It refers to choosing a problem to be explored also requires preliminary steps to ensure a successful investigation.
Make an observation
Ask question
Make a hypothesis
Test the hypothesis
What is considered the most important part of the scientific method?
Make a hypothesis
Test the hypothesis or Experimentation
Draw conclusion
Report results
What is the third step in scientific method?
Make a hypothesis
Ask question
Report results
Draw conclusion
This is the gas that everyone needs for breathing.
Gold
Carbon
Oxygen
Hydrogen
What is the most important compound in the universe?
Water
Sodium chloride
Calcium carbonate
Hydrochloric acid
Sodium chloride is commonly called ____________.
Sugar
Vinegar
Soy sauce
Salt
This essential mineral makes up bones and teeth.
Potassium
Calcium
Oxygen
Carbon
What is a pure substance that can be decomposed by a chemical change into simpler substance with a fixed ratio.
Atom
Compound
Volume
Solution
It is the most abundant gas found in the atmosphere that combines easily with hydrogen to form oxides, water and hydrogen peroxide.
Carbon dioxide
Oxygen
Nitrogen
Hydrogen
____________ is a bleaching agent in the manufacture of textile and paper.
Silicon
Nitrogen
Sulfuric acid
Chlorine
Which of the following is an example of element?
Carbon dioxide
Calcium
Citric acid
Ammonia
Which of the following is not an element
Water
Gold
Sodium
Calcium
The ___________ is the simplified form of matter which cannot be decomposed by ordinary chemical means.
Molucules
Compound
Element
Metals
He proposed the scientific method.
(a)
He suggested that the first letter of the element be used as the symbol for the element.
(a)
H2O is known as (a) .
This element is used in computer chips, solar cells, and semiconductors.
(a)
It is essential for building and maintaining strong bones and teeth, strengthens heart muscles, and regulates blood clotting.
(a)
It pertains to the properties that can be observed and measured without changing the substance into another substance.
(a)
The temperature at which a liquid starts changing into gaseous phase.
(a)
These are properties that can be identified when one substance when one substance reacts with another substance.
(a)
It refers to the temperature at which solid begins to melt.
(a)
The boiling point of water is (a) degrees Celsius.
