Practice Internal Assessment (IA) Specifics - 4.2 | Scientific Investigation Skills | IB 12 Biology
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Internal Assessment (IA) Specifics

4.2 - Internal Assessment (IA) Specifics

Enroll to start learning

You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define a research question.

💡 Hint: Think about what you want to find out in your experiment.

Question 2 Easy

What does the dependent variable measure?

💡 Hint: Consider what you are observing in your experiment.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the purpose of a research question?

To state a hypothesis
To guide the experiment
To analyze data

💡 Hint: What question would you ask to lead your experiment?

Question 2

True or False: A positive control shows no response to the treatment.

True
False

💡 Hint: Consider what a positive control is meant to do.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design an experiment to test the effect of different soil types on plant growth. Include all necessary components such as independent and dependent variables, controlled variables, and types of controls.

💡 Hint: Consider how different conditions affect plants and which factors need to stay the same.

Challenge 2 Hard

Critique a hypothetical experiment where students test the effect of temperature on yeast fermentation but do not control for sugar amount. What impact could this have on validity and reliability?

💡 Hint: Think about what variables are essential to include in each trial.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.