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IMSO 2021 Science International - Experiment Question 2

IMSO Science · IMSO 2021 Science International - Experiment

Question 2

IMSO 2021 · Experiments · Indonesia · 22 January 2021

Science Experiment Test

30 marks | 120 minutes (one session for Experiments 1 and 2).

Printed name: ____________________ ID: ____________________.

EXPERIMENT 2

DENSITY OF THE EGG

Objective: Determine if an egg is raw or cooked by comparing their density (without breaking the shell).

Procedure: You are required to plan and carry out an experiment to attain the objective by observing and explaining what happened in the experiment. You are NOT REQUIRED to use all the materials listed.

You are to provide the following information in your answer sheet:

- Hypothesis
- Materials
- Procedures
- Observation. Draw, discuss, and label your observations.

Guide Questions:

- How does your chosen materials contribute to comparing the density of the eggs?
- Will your observations be the same when you use other materials?

- Conclusion. Write what happened and what the results might mean.
- Modifications. List down materials that you are going modify in your next experiment to get better results.

SCIENCE PAPER EXPERIMENT ANSWER SHEET — Page 2 of 3

EXPERIMENT 2 — DENSITY OF EGG

Hypothesis: _________________________________________________ [ __/1]

Materials: __________________________________________________ [ __/2]

Procedures: _________________________________________________ [ __/3]

Observation(s): Draw and label in the blank space below. [ __/3]

Question illustration

Discussion: __________________________________________________

Conclusion: __________________________________________________ [ __/3]

Modifications: ________________________________________________ [ __/3]

Answer-sheet page 3 of 3 is blank apart from its heading and footer and provides additional working space.

Editorial source note: Although the source refers to “all the materials listed,” no Experiment 2 materials list appears anywhere in the supplied six-page PDF. The proposed materials in the solution are editorial possibilities, subject to availability; they must not be mistaken for the missing official list. Density by itself need not uniquely identify whether an egg is cooked. Report evidence and uncertainty rather than assuming a universal raw/cooked density ordering.

Question illustration

Editorial illustration: two unidentified intact eggs A and B to be compared. Their drawn sizes and positions are schematic, not measurements or predicted observations.