Exploring the Floating Egg Experiment

The video tutorial, led by student teacher April Dunkamba, demonstrates an experiment using the scientific method to explore why some objects sink in water while others float. The hypothesis is that objects with higher density than water will sink. The experiment involves placing an egg in fresh water, where it sinks, and in salt water, where it floats. This demonstrates that adding salt increases water's density, allowing the egg to float. The conclusion confirms the hypothesis, emphasizing the relationship between liquid density and buoyancy.

What is the main question posed by the teacher in the observation section?

• What materials are needed for the experiment?

• How do eggs react in different liquids?

• What is the density of water?

• Why do some objects float while others sink?

According to the hypothesis, what will happen to objects with higher density than water?

• They will change color.

• They will float.

• They will sink.

• They will dissolve.

What scientific method step involves making an educated guess?

• Conclusion

• Experiment

• Hypothesis

• Observation

Which of the following is NOT a material needed for the experiment?

• Fresh water

• Salt

• Transparent glass

• Sugar

What happens to the egg when it is placed in fresh water?

• It dissolves.

• It sinks.

• It changes color.

• It floats.

What additional substance is added to the water in the second part of the experiment?

• Salt

• Sugar

• Oil

• Vinegar

What is the reason given for the egg floating in salt water?

• The density of the water increases.

• The water temperature changes.

• The egg becomes lighter.

• The egg absorbs salt.

What is the purpose of adding salt to the water in the experiment?

• To decrease the water's temperature

• To make the egg dissolve

• To increase the water's density

• To change the color of the water

What conclusion is drawn from the experiment?

• Salt makes water less dense.

• Eggs always float in water.

• The heavier the liquid, the greater the density.

• The density of the liquid does not affect floating.

Who is the teacher conducting the experiment?

• Michael Johnson

• Jane Doe

• John Smith

• April Dunkamba