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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is density?
💡 Hint: Think about how heavy something is compared to its size.
Question 2
Easy
Calculate the density of an object that has a mass of 50 grams and takes up a volume of 25 cm³.
💡 Hint: Use the formula Density = Mass/Volume.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the formula to calculate density?
- Density = Volume/Mass
- Density = Mass/Volume
- Density = Mass + Volume
💡 Hint: Check which option represents mass per unit volume.
Question 2
True or False: A substance with a density greater than 1 g/cm³ will float in water.
- True
- False
💡 Hint: Consider how density affects buoyancy.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A balloon filled with helium is less dense than the surrounding air. If the balloon has a mass of 5 grams and a volume of 3 liters, calculate its density. Will it float in air?
💡 Hint: Compare the density of the balloon to that of air.
Question 2
A gold ingot has a mass of 250 grams and a volume of 12.8 cm³. Compare its density to that of water to determine if it will sink.
💡 Hint: Remember water's density when making your comparison.
Challenge and get performance evaluation