Use this link to answer questions 1 5 https phet colorado edu sims html density latest density en html If that link doesn't work, please try https phet colorado edu en simulations prototypes then click on Density After the PhET simulation opens, double click on Compare 1 You will do several exercises to find the density of blocks made of various materials The masses are either given or can be measured with a mass scale (in kilograms) The volume can be determined by completely submerging each block into a pool of water The volume of the water in the pool without any blocks is V( no blocks) Select 100 00 L , 0 , 113 75 L , 118 75 L , None of the given choices are correct Some blocks will sink on their own and some will float When a block is completely submerged in the water, the new volume of water, V( with block) , will Select increase , decrease , stay the same The volume of the block, V, can be calculated from Select C , A , B , D A) V V( no block) V (with block) B) V V( with block) C) V V( with block) V (no block) D) V V (no block) 2 At the bottom of the screen, double click on the Mystery box Five blocks of different masses and volumes will appear (if Set 1 is selected) Click on and drag each block onto the mass scale to measure its mass Record it in the table below Block Mass (kg) Purple (1A) Select 19 30 kg , 2 80 kg , 0 40 kg , 5 00 kg , 105 50 kg , None of the given choices are correct Blue (1B) Select 0 40 kg , 4 0 kg , 19 30 kg , 1 0 kg , None of the given choices are correct Yellow (1C) Select 19 32 kg , 0 40 kg , 101 kg , 2 8 , None of the given choices are correct Red (1D) Select 5 00 kg , 0 40 kg , 19 30 kg , None of the given choices are correct Green (1E) Select 2 80 kg , 19 30 kg , 0 40 kg , 7 00 kg , None of the given choices are correct 3 Next, submerge each block into the pool to measure its volume Record it in the table below Block Volume (L) Purple (1A) Select 5 50 L , 105 50 L , 19 30 L , 0 40 L , None of the given choices are correct Blue (1B) Select 1 00 L , 100 40 L , 0 40 L , 101 00 L , None of the given choices are correct Yellow (1C) Select 1 00 L , 101 00 L , 19 32 L , 6 50 L , None of the given choices are correct Red (1D) Select 5 00 L , 105 00 L , 100 00 L , 1 00 L , None of the given choices are correct Green (1E) Select 7 00 L , 2 80 L , 107 00 L , 102 80 L , None of the given choices are correct 4 (This is a continuation of the previous Exercise 3 Mystery ) Calculate the density of each block Record everything in the table below Block Density, (kg L) Purple (1A) Select 3 51 , 0 285 , 106 15 , 0 183 , 5 46 , None of the given choices are correct Blue (1B) Select 0 4 , 0 16 , 2 70 , 0 83 , None of the given choices are correct Yellow (1C) Select 19 32 , 11 34 , 8 96 , 3 51 , None of the given choices are correct Red (1D) Select 1 00 , 0 95 , 0 83 , 0 68 , None of the given choices are correct Green (1E) Select 0 4 , 2 5 , 19 6 , 0 83 , None of the given choices are correct 5 Click on Density Table to expand it Use the table to identify the material each block is made of and record it in the table below Block Material Purple (1A) purple Blue (1B) blue Yellow (1C) yellow Red (1D) red Green (1E) green Group of answer choices purple diamond gasoline gold water apple titanium glass ice lead copper wood steel blue diamond gasoline gold water apple titanium glass ice lead copper wood steel yellow diamond gasoline gold water apple titanium glass ice lead copper wood steel red diamond gasoline gold water apple titanium glass ice lead copper wood steel green diamond gasoline gold water apple titanium glass ice lead copper wood steel 6 Mass measures the amount of matter an object has volume measures the amount of space an object occupies Density , D, is defined as the ratio of the mass (M) and the volume (V) of an object D The base SI unit for density is kilogram per cubic meter (kg m 3 ) Densities are also commonly expressed in grams per cubic centimeter (g cm 3 ) Another common unit is kilogram per liter (kg L), where 1 kg L 10 3 kg m 3 Different objects may have different masses and volumes However, objects made of the same material have the same density Therefore, the density can be used to identify an unknown material When an object is completely or partially submerged in a fluid, the pressure from the fluid is greater at the bottom of the object than higher up This is shown in Fig 1 Figure 1

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Use this link to answer questions 1-5: https://phet.colorado.edu/sims/html/density/latest/density_en.html If that link doesn't work, please try https://phet.colorado.edu/en/simulations/prototypes then click on Density. After the PhET simulation opens,

Use this link to answer questions 1-5:https://phet.colorado.edu/sims/html/density/latest/density_en.html

If that link doesn't work, please tryhttps://phet.colorado.edu/en/simulations/prototypesthen click on "Density". After the PhET simulation opens, double-click on "Compare".

1. You will do several exercises to find the density of blocks made of various materials. The masses are either given or can be measured with a mass scale (in kilograms). The volume can be determined bycompletely submergingeach block into a pool of water.

The volume of the water in the pool without any blocks is V(_{no_blocks)}= [ Select ] ["100.00 L", "0", "113.75 L", "118.75 L", "None of the given choices are correct."] .

Some blocks will sink on their own and some will float. When a block iscompletely submergedin the water, the new volume of water, V(_{with_block)}, will [ Select ] ["increase", "decrease", "stay the same"] . The volume of the block, V, can be calculated from: [ Select ] ["C", "A", "B", "D"]

A) V = V(_{no_block)}- V_{(with_block)} B) V = V(_{with_block)}

C) V = V(_{with_block)}- V_{(no_block)} D) V = V_{(no_block)}

2. At the bottom of the screen, double-click on the "Mystery" box. Five blocks of different masses and volumes will appear (if Set 1 is selected). Click on and drag each block onto the mass scale to measure its mass. Record it in the table below.

Block	Mass (kg)
Purple (1A)	[ Select ] ["19.30 kg", "2.80 kg", "0.40 kg", "5.00 kg", "105.50 kg", "None of the given choices are correct."]
Blue (1B)	[ Select ] ["0.40 kg", "4.0 kg", "19.30 kg", "1.0 kg", "None of the given choices are correct."]
Yellow (1C)	[ Select ] ["19.32 kg", "0.40 kg", "101 kg", "2.8", "None of the given choices are correct."]
Red (1D)	[ Select ] ["5.00 kg", "0.40 kg", "19.30 kg", "None of the given choices are correct."]
Green (1E)	[ Select ] ["2.80 kg", "19.30 kg", "0.40 kg", "7.00 kg", "None of the given choices are correct."]

3. Next, submerge each block into the pool to measure its volume. Record it in the table below.

Block	Volume (L)
Purple (1A)	[ Select ] ["5.50 L", "105.50 L", "19.30 L", "0.40 L", "None of the given choices are correct."]
Blue (1B)	[ Select ] ["1.00 L", "100.40 L", "0.40 L", "101.00 L", "None of the given choices are correct."]
Yellow (1C)	[ Select ] ["1.00 L", "101.00 L", "19.32 L", "6.50 L", "None of the given choices are correct."]
Red (1D)	[ Select ] ["5.00 L", "105.00 L", "100.00 L", "1.00 L", "None of the given choices are correct."]
Green (1E)	[ Select ] ["7.00 L", "2.80 L", "107.00 L", "102.80 L", "None of the given choices are correct."]

4. (This is a continuation of the previousExercise 3 - Mystery.)

Calculate the density of each block. Record everything in the table below.

Block	Density, (kg/L)
Purple (1A)	[ Select ] ["3.51", "0.285", "106.15", "0.183", "5.46", "None of the given choices are correct."]
Blue (1B)	[ Select ] ["0.4", "0.16", "2.70", "0.83", "None of the given choices are correct."]
Yellow (1C)	[ Select ] ["19.32", "11.34", "8.96", "3.51", "None of the given choices are correct."]
Red (1D)	[ Select ] ["1.00", "0.95", "0.83", "0.68", "None of the given choices are correct."]
Green (1E)	[ Select ] ["0.4", "2.5", "19.6", "0.83", "None of the given choices are correct."]

5. Click on "Density Table" to expand it. Use the table to identify the material each block is made of and record it in the table below.

Block	Material
Purple (1A)	[purple]
Blue (1B)	[blue]
Yellow (1C)	[yellow]
Red (1D)	[red]
Green (1E)	[green]

Group of answer choices

purple: [diamond gasoline gold water apple titanium glass ice lead copper wood steel]

blue: [diamond gasoline gold water apple titanium glass ice lead copper wood steel]

yellow: [diamond gasoline gold water apple titanium glass ice lead copper wood steel]

red: [diamond gasoline gold water apple titanium glass ice lead copper wood steel]

green: [diamond gasoline gold water apple titanium glass ice lead copper wood steel]

6. Mass measures the amount of matter an object has; volume measures the amount of space an object occupies.Density, D, is defined as the ratio of the mass (M) and the volume (V) of an object:

D =

The base SI unit for density is kilogram per cubic meter (kg/m³). Densities are also commonly expressed in grams per cubic centimeter (g/cm³). Another common unit is kilogram per liter (kg/L), where 1 kg/L = 10³kg/m³.

Different objects may have different masses and volumes. However, objects made of the same material have the same density. Therefore, the density can be used to identify an unknown material.

When an object is completely or partially submerged in a fluid, the pressure from the fluid is greater at the bottom of the object than higher up. This is shown in Fig. 1.

Figure 1: