Significant figures
SI Unit
Density
Temperature Conversions
Random
100
This number, 3.293, has this many significant figures.
4
100
Convert 5.2 cm to mm.
52 mm
100
A cube has a mass of 50 g and a volume of 10 cm³. What is its density?
5.0 g/cm³
100
What is the SI unit for temperature?
Kelvin
100
What is the formula for density?
D= mass/volume
200
This number, 68200. has this many significant figures.
5
200
Convert 2.45 kg to g.
2450g
200
What are the standard units for density?
kg/m³
200
Convert 61.28 °C to Kelvin.
334.43 K
200
What is temperature?
The measure of how hot or cold an object is.
300
Round 4.563 to three significant figures.
4.56
300
Why is it important to use the SI system for measuring in science?
The world needs to use one system to easily share and interpret information/ data.
300
A metal block has a mass of 45.7 g, length 2.50 cm, width 1.80 cm, and height 1.20 cm. Find its density.
8.46 g/cm³
300
Convert 25.36 °C to Fahrenheit. Round to 2 decimal places.
77.65°F
300
What does daL represent?
Dekaliters
400
Perform the operation and round to the correct number of significant figures:
5.62 × 4.1
23
400
Convert 45.2 mL to L.
0.0452 L
400
An object has a mass of 25.6 g and fills from 7.5 mL to 32.0 mL when placed in a graduated cylinder. Find the density.
0.96 g/mL
400
Convert -11.98°F to Celsius.
-24.43 °C
400
If scientists are measuring in liters, what are they measuring?
The volume of a item
500
Add and round correctly: 12.45 + 3 + 0.089
16
500
Convert 3.571s to ns
3,571,000,000 ns
500
An unknown object has a mass of 10.19 g. When placed in a graduated cylinder that has a starting level of 24.0 mL, it rises to 24.75 mL of water. What is the density of this unknown object, and what substance is this object based on the chart?
Mercury- 13.59 g/mL
500
Convert 320.59 K to Fahrenheit.
117.39 °F
500
Is there a formula to convert from Kelvin to Fahrenheit? If not, how would you convert it?
First convert from Kelvin to Celsius. Then convert from Celsius to Fahrenheit.