How Different Materials Have Different Densities Essay Sample

How Different Materials Have Different Densities Pages
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In this assignment I will be investigating how different materials have different densities. I will be performing an experiment to see if there is any rule which can be used to find out the density of the materials.

Risk Assessment.

Material

Hazard

What Could Go Wrong

Safety Precautions

What To Do In Case Of An

Accident

Risk Low/

High/

Medium

Glass Equipment

Sharp Glass.

The Glass Could Shatter And Be Quite Harmful.

Handle The Glass With Care.

Seek First Aid And Report The Accident To A Teacher.

Medium.

Can

Sharp Spout.

You Could Stab / Cut Yourself

Do Not Touch The Spout.

Seek First Aid And Report The Accident To A Teacher.

Medium.

Different

Materials

They Are All Quite Heavy.

You Could Drop It On Your Fingers.

Handle The Materials With Care.

Seek First Aid And Report The Accident To A Teacher.

Low.

Equipment

Equal sized pieces of each of the following :

– Iron

– Steel

– Glass

– Copper

– Brass

1 Measuring Cylinder

1 Measuring Jug

1 Can With A Spout

Water

Method.

Step 1.

Measure the mass of the first material using a balance and record the results onto a results sheet.

Step 2.

Pour water into the can until it is level up to the spout.

Step 3.

Place the material into the water filled can. Once submurged some of the water will be displaced and will pour out of the spout.

Step 4.

Collect the displaced water in the measuring cylinder and measure the volume, record this value.

Step 5.

Repeat test for all other materials on the equipment list.

Step 6.

Calculate the densities* and write up the results in the table ready for analysis.

*Scientific Note.

To calculate the density of the materials, I had to use the following calculation :

Density = Mass

Volume

Results Table.

Material

Density

Volume

Mass

Iron

4.3256

31cm3

21.4gms

Steel

6.0728

70cm3

467.1gms

Glass

3.74

1cm3

37.4gms

Copper

10.32857

56cm3

578.4gms

Brass

11.22

85cm3

756.3gms

Conclusion.

In this experiment we found that different materials had different densities. The most dense metal was Brass and Glass was the least dense.

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