Graduated measurements, density, and weighted mass Test

Calculate the value of the smallest graduated measurement or increment shown in the image of the a graduated cylinder.

• 3cm-2cm =1cm; 1cm/10 steps= .10 cm/step
• 3cm-1cm =1cm; 1cm/10 steps= .10 cm/step
• 1 cm
• 1cm-2cm =1cm; 1cm/10 steps= .10 cm/step

Calculate the value of the smallest graduated measurement or increment shown in the image of the a graduated cylinder and use it to make the most accurate measurement

• 40ºC-20ºC =20ºC; 20ºC/10 steps= 2 ºC/10 step
• 40ºC-10ºC =20ºC; 20ºC/10 steps= 2 ºC/10 step
• 40ºC-20ºC =10ºC; 10ºC/10 steps= 1 ºC/10 step
• 40ºC-0ºC =40ºC; 40ºC/10 steps= 4 ºC/10 step

Calculate the value of the smallest graduated measurement or increment shown in the image of the a graduated cylinder and use it to make the most accurate measurement. For triple beam balance measurement, you add all three measurements on the bars.

• 1g- 0g= 1g; 1g/10 steps= .10g/step; .10g/2 = .05g; 100g+20g+.95g= 120.95g
• 2g- 0g= 2g; 2g/10 steps= .20g/step; .20g/2 = .10g; 100g+20g+.90g= 120.90g
• 1g- 0g= 1g; 1g/10 steps= .10g/step; .10g/2 = .05g; 100g+20g+1g= 121g
• 100g+20g+.95g= 120.95g

Calculate the value of the smallest graduated measurement or increment shown in the image of the a graduated cylinder and use it to make the most accurate measurement.

• 2ml - 1ml = 1 ml; 1ml / 10 steps= .10 ml/step
• 2ml - 0ml = 2 ml; 2ml / 10 steps= .20 ml/step
• 2ml - 1ml = 1 ml; 1ml / 10 steps= .01 ml/step
• 2ml - 1ml = 1 ml; 1ml / 10 steps= .05 ml/step

Choose the selection that shows a process to calculate the density of the irregular object shown in the image below to three significant digits. Density= mass/volume.

• Density = mass/volume; Density= 51.842 g/ (19.5ml -17.5ml) ; Density= 51.842 g / 2.0 cm^3 ; Density= 25.9 g/cm^3
• Density = volume/mass; Density= (19.5ml -17.5ml)/ 51.842 g ; Density= 2.0 cm^3 / 51.842 ; Density= .039 cm^3/g
• Density = mass/volume; Density= (19.5ml -17.5ml)/ 51.842 g ; Density= 2.0 cm^3 / 51.842 ; Density= .039 cm^3/g
• Density = mass/volume; Density= 51.842 g/ (19.5ml -17.5ml) ; Density= 51.842 g / 2.0 cm^3 ; Density= 250.90 g/cm^3
• Density = mass/volume; Density= 51.842 g/ 19.8 ml ; Density= 51.842 g / 19.8 cm^3 ; Density= 2.62 g/cm^3

Calculate the density of the irregular object shown in the image below to three significant digits. The mass of the irregular object is 75.3 g. Density= mass/volume. Show each step in the calculation.

• D= M/V; D=75.3g/(75.0ml-50.0 ml); D=75.3g/25.0ml; D=3.01 g/ml
• D= V/M; D=(75.0ml-50.0 ml)/75.3g; D=25.0ml/75.3g; D=.332 g/ml
• D= M/V; D=75.3g/75.0ml; D=75.3g/75.0ml; D=1.01 g/ml
• D= M/V; D=75.3g/50.0 ml; D=75.3g/50.0ml; D=1.56 g/ml

Choose the selection that shows a process to calculate the density of the irregular object shown in the image below to three significant digits. Density= mass/volume.

• Density = mass/volume; Density= 482.63 g/ (800ml -600ml) ; Density= 482.63 g / 200 cm^3 ; Density= 2.41 g/cm^3
• Density = volume/mass; Density= 482.63 g/ (800ml -600ml) ; Density= 482.63 g / 200 cm^3 ; Density= 2.41 g/cm^3
• Density = mass/volume; Density= 800ml -600ml/ (482.63 g) ; Density= 200 cm^3 / 482.63 g ; Density= .414 g/cm^3)
• Density = mass/volume; Density= 482.63 g/ (800ml -600ml) ; Density= 482.63 g / 200 cm^3 ; Density= 3.41 g/cm^3
• Density = mass/volume; Density= 200 g/ (800ml -600ml) ; Density= 482.63 g / 200 cm^3 ; Density= 3.41 g/cm^3

Choose the selection that shows a process to calculate the density of the irregular object shown in the image below to three significant digits. Density= mass/volume.

• Density = mass/volume; Density= 39.21 g/ (59.0ml -47.0ml) ; Density= 39.21 g / 12.0 cm^3 ; Density= 3.271 g/cm^3
• Density = volume/mass; Density= 39.21 g/ (59.0ml -47.0ml) ; Density= 39.21 g / 12.0 cm^3 ; Density= 3.271 g/cm^3
• Density = mass/volume; Density= (59.0ml -47.0ml)/ 39.21 g ; Density= 12.0 cm^3 / 39.21 g ; Density= .306 g/cm^3
• Density = mass/volume; Density= 39.21 g/ (59.0ml -47.0ml) ; Density= 39.21 g / 12.0 cm^3 ; Density= 30.271 g/cm^3
• Density = mass/volume; Density= 39.21 g/ 59.0ml ; Density= 39.21 g / 59.0 cm^3 ; Density= .665 g/cm^3

How many times do you have to divide visible matter to get the size of an atom (the structure that makes you matter)?

• 10 = 1x 10^1
• 100 = 1x 10^2
• 1,000 = 1x 10^3
• 1,000,000 = 1x 10^6
• 1,000,000,000 = 1x 10^9

How do you find the percent abundance or composition of the circles that represent atoms in the image shown?

• 3 red / 14 total ; 2 blue /14 total ; 3 yellow /14 total; 3 green /14 total; 3 brown /14 total;
• 8 red / 8 total ; 8 blue /8 total ; 8 yellow /8 total
• 3 red / 15 total ; 2 blue /15 total ; 3 yellow /15 total; 3 green /15 total;3 brown /14 total;
• 4 red / 14 total ; 3 blue /14 total ; 2 yellow /14 total; 4 green /14 total;3 brown /14 total;