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WorksheetsDevelopment in chemistry field and its importance in daily life
Total questions: 20
Worksheet time: 10mins
Which statement best explains the meaning of chemistry?
Chemistry is the study of our environment.
Chemistry is the study of matter.
Chemistry is the study of natural phenomena.
Chemistry is the study of chemical reactions.
Which career involves the knowledge of chemistry?
English teacher
Astronaut
Optician
Pharmacist
Which of the following is not an example of chemicals?
Fibre
Balloon
Energy
Liquefied gas
Which of the following is the first step in a scientific method?
Identifying problem
Making observation
Making hypothesis
Making inference
Which step in scientific method is used to verify if the inference is true of false?
Planning an experiment
Controlling variables
Making observation
Making hypothesis
How to test if the hypothesis made is correct?
Carrying out experiment
Planning an experiment
Collecting data
Interpreting data
What should you do if the hypothesis is rejected?
Accept it as a theory
Form a new hypothesis
Alter the data obtained
Redo the experiment
An experiment is carried out to study the effect of size of salt on the rate of dissolving. Which of the following variables should be kept constant?
Size of salt
Type of salt
Mass of beakers
Volume of beakers
Which of the following must be written in all experimental reports?
Graph
Prediction
List of apparatus
Operational definition
A hypothesis is accepted or rejected in
inference
conclusion
planning
analysis
Data is best presented in a
table
chart
graph
statement
Which of the following are tools used in analysis of data?
Graph and pie chart
Pie chart and bar chart
Graph, pie chart and bar chart
Graph, pie chart, bar chart and essay
Profession F requires both the knowledge of chemistry and biology. Profession F is most probably
civil engineer
architect
geologist
doctor
Smoking is a bad habit and it is harmful to our body. What is the chemical present in tobacco that may affect the lungs?
Carbon
Caffeine
Nicotine
Adrenaline
Which of the following professions requires knowledge of chemistry?
Financial planner
Geologist
Pilot
Lawyer
Which of the following chemicals is the main ingredient in a floor cleaner?
Ammonia
Sodium chloride
Sodium bicarbonate
Hydrochloric acid
What should be done after carrying out a scientific investigation?
Making a hypothesis
Preparing a report
Identifying the variables
Making an inference
Which of the following is the branch of chemistry that studies the composition of living organisms?
Inorganic chemistry
Physical chemistry
Biochemistry
Industrial chemistry
Which of the following is not a step in scientific method?
Identifying variables
Finding a clue
Planning an experiment
Writing a report
Which of the following professions helps police to solve crimes by analysing and identifying blood, drugs, poison and other items collected from the crime scene?
Pharmacist
Forensic chemist
Medical doctor
Biochemist
