WorksheetsScience Word Problems
Total questions: 15
Worksheet time: 15mins
A box measures 20 cm x 8 cm x 14 cm and has a mass of 226.8 g. What is the density of the block?
0.101 g/cm3
9.88 g/cm3
5.4 g/cm3
The piece of jewelry occupies a space of 76 mL. If the mass of the piece of jewelry is 122 grams, what is its density?
1.6 g/mL
0.62 g/mL
9272 g/mL
Gabriel sprinted down the hallway for a science project. He ran a total of 40 meters in 20 seconds. What was his average speed?
2 meters per second
20 meters per second
40 meters per second
10 meters for second
What is the speed of an object that travels 60 meters in 4 seconds?
240 m/s
15 m/s
0.067 m/s
15 mph
A car travels 150 kilometers in 3 hours. What is its average speed?
50 km/h
45 km/h
60 km/h
55 km/h
A metal cube has a side length of 5 cm and a mass of 250 grams. What is its density?
2 g/cm^3
1 g/cm^3
3 g/cm^3
4 g/cm^3
A solution contains 30 grams of salt dissolved in 200 mL of water. What is the concentration of the solution in g/mL?
0.15 g/mL
0.2 g/mL
0.1 g/mL
0.25 g/mL
A pendulum completes 20 oscillations in 5 seconds. What is its frequency?
4 Hz
5 Hz
3 Hz
6 Hz
A scientist measures the temperature of a substance as it changes from solid to liquid. What is this process called?
Melting
Freezing
Evaporation
Condensation
A light bulb uses 60 watts of power and operates for 5 hours. How much energy does it consume?
300 Wh
250 Wh
350 Wh
400 Wh
A chemical reaction releases 150 kJ of energy. What type of reaction is this?
Exothermic
Endothermic
Neutralization
Combustion
A plant absorbs carbon dioxide and releases oxygen. What process is this?
Photosynthesis
Respiration
Transpiration
Fermentation
A force of 10 N is applied to a 2 kg object. What is the acceleration of the object?
5 m/s^2
10 m/s^2
15 m/s^2
20 m/s^2
A liquid has a volume of 500 mL and a mass of 400 grams. What is its density?
0.8 g/mL
1.2 g/mL
1 g/mL
0.6 g/mL
A circuit has a voltage of 12 V and a resistance of 4 ohms. What is the current flowing through the circuit?
3 A
4 A
2 A
5 A
