Measuring Properties of Solids

This video tutorial explains how to find the density of a regular solid, specifically a wooden block. It covers the concepts of regular and irregular solids, and demonstrates how to measure mass using a balance. The video provides a detailed example of calculating the volume of a block by measuring its dimensions and multiplying them. Finally, it shows how to calculate density by dividing mass by volume, and concludes with a brief mention of finding the density of irregular solids in future videos.

What is the primary difference between a regular and an irregular solid?

• Irregular solids are always lighter than regular solids.

• Regular solids are always heavier than irregular solids.

• Irregular solids have a defined geometric shape.

• Regular solids have a defined geometric shape.

Which tool is used to measure the mass of a wooden block?

• Electronic balance

• Thermometer

• Protractor

• Ruler

What is the mass of the wooden block as measured in the video?

• 7 grams

• 3 grams

• 10 grams

• 5 grams

How is the volume of a regular solid calculated?

• By adding all its sides

• By multiplying its length, breadth, and width

• By dividing its mass by its volume

• By subtracting its mass from its volume

What is the length of the wooden block as measured in the video?

• 5.5 cm

• 6.5 cm

• 7.5 cm

• 8.5 cm

What is the calculated volume of the wooden block?

• 24 cc

• 15 cc

• 18 cc

• 21 cc

What is the formula for density?

• Density = Volume - Mass

• Density = Mass x Volume

• Density = Volume / Mass

• Density = Mass / Volume

What is the density of the wooden block as calculated in the video?

• 0.21 gram per cc

• 0.14 gram per cc

• 0.07 gram per cc

• 0.28 gram per cc

What is the first step in calculating the density of a solid?

• Finding its volume

• Finding its mass

• Finding its temperature

• Finding its color

What is the next topic to be covered in the following video?

• Density of metals

• Density of gases

• Density of irregular solids

• Density of liquids