Scientific Skills
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Experimental Design and Variables
SubtopicExperimental Design and Variables under Scientific Skills for Grade 10 IB.
Preview questions (no answers)
- 1.
If you increase the 'Independent Variable' and the 'Dependent Variable' also increases, this shows a:
A.Positive correlation
B.Negative correlation
C.No correlation
D.Inverse relationship
- 2.
Which of these is a characteristic of a good scientific question?
A.It can be answered with a simple 'yes' or 'no'
B.It is based on personal opinion
C.It is testable through experimentation
D.It is as broad and vague as possible
- 3.
What is the term for a variable that is NOT the independent variable but could affect the results if not kept constant?
A.Secondary variable
B.Dependent variable
C.Controlled variable
D.Random variable
Download the worksheet for Scientific Skills - Experimental Design and Variables to practice offline. It includes additional chapter-level practice questions.
Data Analysis and Mathematical Processing
SubtopicData Analysis and Mathematical Processing under Scientific Skills for Grade 10 IB.
Preview questions (no answers)
- 1.
Calculate the percentage change if a plant grows from cm to cm.
A.B.C.D. - 2.
Which of the following describes data that consists of distinct categories (e.g., shoe color)?
A.Continuous data
B.Discrete data
C.Linear data
D.Calculated data
- 3.
What does the delta symbol () represent in a scientific equation?
A.Total sum
B.Change in a quantity
C.Density
D.Constant value
Download the worksheet for Scientific Skills - Data Analysis and Mathematical Processing to practice offline. It includes additional chapter-level practice questions.
Evaluation of Scientific Evidence
SubtopicEvaluation of Scientific Evidence under Scientific Skills for Grade 10 IB.
Preview questions (no answers)
- 1.
Which of the following is a benefit of using a digital sensor over a manual thermometer?
A.It is always more expensive
B.It can record data automatically and with higher resolution
C.It makes the experiment shorter
D.It proves the hypothesis more easily
- 2.
If two scientists get different results from the same experiment, what is the most scientific next step?
A.Decide who is more famous and believe them
B.Both should repeat their experiments and compare methods
C.Assume both are wrong
D.Flip a coin to decide which result is correct
- 3.
What does a flat horizontal line on a distance-time graph indicate?
A.The object is moving at a constant speed
B.The object is accelerating
C.The object is stationary (not moving)
D.The object is returning to the start
Download the worksheet for Scientific Skills - Evaluation of Scientific Evidence to practice offline. It includes additional chapter-level practice questions.
Ethics in Science and Global Impacts
SubtopicEthics in Science and Global Impacts under Scientific Skills for Grade 10 IB.
Preview questions (no answers)
- 1.
What is the main global impact of 'Soil Erosion' on agriculture?
A.It makes the soil richer and easier to plant in
B.It removes the nutrient-rich topsoil, reducing crop yields and land productivity
C.It creates more space for farm animals to run
D.It increases the amount of water stored in the ground
- 2.
Which of the following best describes 'Scientific Integrity'?
A.Working as fast as possible to beat other scientists
B.Being honest and following ethical principles in all aspects of scientific work
C.Always being the first person to discover something new
D.Only working on projects that are guaranteed to succeed
- 3.
In ethics, what does 'Informed Consent' mean?
A.The researcher knows everything about the participant
B.The participant agrees to take part in a study after being told about all risks and benefits
C.The participant is forced to sign a document they don't understand
D.The government gives permission for the study to happen
Download the worksheet for Scientific Skills - Ethics in Science and Global Impacts to practice offline. It includes additional chapter-level practice questions.