Calculating Density

1) A 4 g object displaces 2 mL of water. Calculate the object's density.

What is 4 g?
1. m (mass)
2. F (force)
3. v (volume)
4. S (speed)
5. t (time)
6. D (density)
7. a (acceleration)
1) A 4 g object displaces 2 mL of water. Calculate the object's density.

m = 4 g

What is 2 mL?
1. m (mass)
2. F (force)
3. v (volume)
4. S (speed)
5. t (time)
6. D (density)
7. a (acceleration)
1) A 4 g object displaces 2 mL of water. Calculate the object's density.

m = 4 g
v = 2 mL

What are you looking for? (What is your unknown?)
1. m (mass)
2. F (force)
3. v (volume)
4. S (speed)
5. t (time)
6. D (density)
7. a (acceleration)
1) A 4 g object displaces 2 mL of water. Calculate the object's density.

m = 4 g
v = 2 mL
D = ? (your unknown)

What equation will you use?
1. D = m/v
2. Q = (m)(ΔT)(C_p)
3. S = D/T
4. a = (Δv)/(Δt)
5. p = mv
6. F = ma
7. W = Fd
1) A 4 g object displaces 2 mL of water. Calculate the object's density.

m = 4 g
v = 2 mL
D = ? (your unknown)
Equation: D = m/v

What does "m/v" mean?
1. m + v
2. m - v
3. m x v
4. m ÷ v
1) A 4 g object displaces 2 mL of water. Calculate the object's density.

m = 4 g
v = 2 mL
D = ? (your unknown)
Equation: D = m/v

Which of the following is correct?
1. D = 4/2
2. D = 2/4
3. 4 = 2/v
4. 2 = 4/v
5. D = 4 x 2
1) A 4 g object displaces 2 mL of water. Calculate the object's density.

m = 4 g
v = 2 mL
D = ? (your unknown)
Equation: D = m/v

So, D = ___ (no units, yet)
1. 1
2. 2
3. 4
4. 8
1) A 4 g object displaces 2 mL of water. Calculate the object's density.

m = 4 g
v = 2 mL
D = ? (your unknown)
Equation: D = m/v

So, D = 2 __

What are the units for Density?
1. g/mL
2. gmL
3. densities
4. kilograms/liter
5. atomic mass units
2) An object displaces 4 mL and is 24 g. Calculate the object's density.

What is 4 mL?
1. m (mass)
2. F (force)
3. v (volume)
4. S (speed)
5. t (time)
6. D (density)
7. a (acceleration)
2) An object displaces 4 mL and is 24 g. Calculate the object's density.

v = 4 mL
What is 24 g?
1. m (mass)
2. F (force)
3. v (volume)
4. S (speed)
5. t (time)
6. D (density)
7. a (acceleration)
2) An object displaces 4 mL and is 24 g. Calculate the object's density.

v = 4 mL
m = 24 g
What is your unknown?
1. m (mass)
2. F (force)
3. v (volume)
4. S (speed)
5. t (time)
6. D (density)
7. a (acceleration)
2) An object displaces 4 mL and is 24 g. Calculate the object's density.

v = 4 mL
m = 24 g
D = ? (your unknown)

What equation will you use?
1. D = m/v
2. Q = (m)(ΔT)(C_p)
3. S = D/T
4. a = (Δv)/(Δt)
5. p = mv
6. F = ma
7. W = Fd
2) An object displaces 4 mL and is 24 g. Calculate the object's density.

v = 4 mL
m = 24 g
D = ? (your unknown)
Equation: D = m/v

Which of the following is correct?
1. D = m + v
2. D = m - v
3. D = m x v
4. D = m ÷ v
2) An object displaces 4 mL and is 24 g. Calculate the object's density.

v = 4 mL
m = 24 g
D = ? (your unknown)
Equation: D = m/v

Which of the following is correct?
1. D = 4/24
2. D = 24/4
3. 24 = 4 x v
4. 4 = 24 ÷ v
2) An object displaces 4 mL and is 24 g. Calculate the object's density.

v = 4 mL
m = 24 g
D = ? (your unknown)
Equation: D = m/v

So, D = ___ (no units, yet)
1. 1
2. 2
3. 4
4. 6
5. 8
6. 10
7. 2.4
2) An object displaces 4 mL and is 24 g. Calculate the object's density.

v = 4 mL
m = 24 g
D = ? (your unknown)
Equation: D = m/v

So, D = 6 ___

What are the units for Density?
1. g/mL
2. gmL
3. densities
4. kilograms/liter
5. atomic mass units
3) A 10 g object displaces 20 mL. Calculate the object's density.

What is 10 g?
1. m (mass)
2. F (force)
3. v (volume)
4. S (speed)
5. t (time)
6. D (density)
7. a (acceleration)
3) A 10 g object displaces 20 mL. Calculate the object's density.

m = 10 g
What is 20 mL?
1. m (mass)
2. F (force)
3. v (volume)
4. S (speed)
5. t (time)
6. D (density)
7. a (acceleration)
3) A 10 g object displaces 20 mL. Calculate the object's density.

m = 10 g
v = 20 mL
What is your unknown?
1. m (mass)
2. F (force)
3. v (volume)
4. S (speed)
5. t (time)
6. D (density)
7. a (acceleration)
3) A 10 g object displaces 20 mL. Calculate the object's density.

m = 10 g
v = 20 mL
D = ? (your unknown)

What equation will you use?
1. D = m/v
2. Q = (m)(ΔT)(C_p)
3. S = D/T
4. a = (Δv)/(Δt)
5. p = mv
6. F = ma
7. W = Fd
3) A 10 g object displaces 20 mL. Calculate the object's density.

m = 10 g
v = 20 mL
D = ? (your unknown)
Equation: D = m/v

Which of the following is correct?
1. D = 10/20
2. 20 = 10/v
3. D = 20/10
4. 10 = m/20
3) A 10 g object displaces 20 mL. Calculate the object's density.

m = 10 g
v = 20 mL
D = ? (your unknown)
Equation: D = m/v
D = 10/20

What does "10/20" mean?
1. 10 x 20
2. 10 ÷ 20
3. 20 ÷ 10
4. 20 x 10
5. 20 - 10
6. 10 + 20
3) A 10 g object displaces 20 mL. Calculate the object's density.

m = 10 g
v = 20 mL
D = ? (your unknown)
Equation: D = m/v
D = 10/20

So, D = __ (no units, yet)
1. 0.5
2. 1
3. 2
4. 4
5. 1/2
6. 10
3) A 10 g object displaces 20 mL. Calculate the object's density.

m = 10 g
v = 20 mL
D = ? (your unknown)
Equation: D = m/v
D = 10/20
So, D = 0.5 __

What are the units for Density?
1. g/mL
2. gmL
3. densities
4. kilograms/liter
5. atomic mass units