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WorksheetsUjian Akhir Semester IPA Kelas VII
Total questions: 42
Worksheet time: 34mins
Science is the study of ....
The universe and the interactions that occur within it
Human relationships
The Earth and its landscapes
Galaxies and the solar system
Measuring the volume of a liquid is a function of ....
Petri dish
Measuring cup
Graduated cylinder
Erlenmeyer flask
The following is not something that needs to be done if a fire occurs in the laboratory ....
Extinguish the fire with a fire extinguisher if the flame is small
Turn on the power source to calm the laboratory room
Stay calm and take immediate extinguishing action
Call the fire department if the fire starts to grow
The scientific method involves a number of processes that must be mastered, except for .....
Determining variables
Formulating problems
Communicating results
Forcing hypotheses
If a factor is varied in research, that factor is called a ....
Control
Free
Determining
Bound
The following activities are included in measurement activities ....
Niki counts the number of students who are absent
Jeni counts her remaining pocket money
Shifa determines the length of the blackboard with a ruler
Revan counts the number of pages in a book
Force is a derived quantity that is derived from basic quantities ....
Length, time, and amount of substance
Time, mass, and intensity of light
Mass and length
Mass, length, and time
The travel time of Mr. Rudi from Ujung Batu city to Pekanbaru is 2.5 hours. If using SI units, then Mr. Rudi's travel time is ....
9,000 s
2,500 s
150 s
3,600 s
The mass of garlic bought by Alya is 0.25 kg. If expressed in grams, it is ....
250 g
25 g
2.5 g
2,500 g
The most appropriate measuring instrument to measure the time of a runner is ....
Watch
Measuring tape
Clock
Stopwatch
One characteristic of a liquid is ....
The position of its molecules is very close together
Cannot move freely
Its shape changes according to its container
Its volume changes
The change of state from liquid to solid is called ....
Melting
Sublimation
Freezing
Evaporation
The following is included in physical changes ....
Water becomes ice
Wood becomes charcoal
Rice becomes porridge
Wheat seeds become flour
The following are characteristics of a chemical reaction, except for ....
Produces sediment
Expansion occurs
Gas is formed
Color change occurs
The following are characteristics of liquid particles ....
Shape and volume change
Shape and volume are fixed
Shape changes and volume is fixed
Shape is fixed and volume changes
Observe the following properties!
Its volume is not fixed
The distance between particles is close and orderly
Its shape is not fixed
Its volume is fixed
The properties of gas are indicated by the number ....
1 and 2
2 and 3
1 and 3
2 and 4
The density of an object depends on ....
Mass and area
Area and volume
Mass and time
Mass and volume
A wooden cube has a volume of 5 cm3. If the density of the wood is 50 g/cm3, then the mass of the wood is .....
250 grams
10 grams
50 grams
2 grams
The following has the largest density ....
Mass 20 g, volume 10 cm3
Mass 150 g, volume 30 cm3
Mass 60 g, volume 20 cm3
Mass 60 g, volume 6 cm3
Which substance has the highest density?
Mass 20 g, volume 10 cm3
Mass 150 g, volume 30 cm3
Mass 60 g, volume 20 cm3
Mass 60 g, volume 6 cm3
Thermometers are made based on the principle that temperature changes can cause changes in...
Pressure
State
Volume
Density
The temperature of a substance measured by a Reamur thermometer is 80°R. When measured with a Celsius thermometer, it shows a temperature of...
27°C
32°C
44°C
100°C
The temperature indicated by the Fahrenheit scale of 113° means the Kelvin temperature is...
40
80
231
318
298 K is equal to...
25°C = 77°F
35°C = 67°F
77°C = 25°F
25°C = 67°F
A metal made of iron has a mass of 4 kg, heated from 30°C to 80°C. If the specific heat of iron is 470 J/kg°C, then the required heat energy is...
94,000
94
940
9.4
Iron with a mass of 2 kg at a temperature of 20°C is heated with 47 kJ of heat. If the specific heat of iron is 470 J/kg°C, then the temperature of the iron after heating is...
40°C
50°C
70°C
60°C
The following statement is true...
Convection is the transfer of heat without a medium
Conduction occurs when the temperature rises when water is boiled
Radiation is the transfer of heat with a medium
The sun's heat reaches the earth through radiation
A copper rod with an initial length of 2 m is heated so that its temperature changes from 10°C to 40°C. If the coefficient of linear expansion of copper is 0.000017/K, then the copper rod will increase in length by...
1.70 mm
0.98 mm
1.02 mm
0.86 mm
An object is said to be moving if...
The distance of the object does not change relative to other objects
The position of the object is far from other objects
The position of the object overlaps with other objects
The position of the object changes relative to a reference point
The following are examples of accelerated motion, except...
A mango falls
A ball slides down an inclined plane
A stone is thrown upwards
An object falls freely
A car accelerates from rest. If the car's acceleration is 20 m/s², then the car's speed after 5 seconds is...
4 m/s²
8 m/s²
50 m/s²
100 m/s²
If a car travels for 2 minutes covering a distance of 720 m. What is the speed of the car?
6 m/s
5 m/s
7 m/s
4 m/s
A motorcycle travels 6,000 m in 10 minutes. What is the speed of the motorcycle?
600 m/s
10 m/s
20 m/s
0.1 m/s
A cart is pulled by two horses producing forces of 275 N and 350 N each. The total force is...
625 N
275 N
350 N
75 N
If the resultant forces acting on an object are zero, then the object...
Moves with constant acceleration
May move with constant speed
Is definitely at rest
Moves then stops
The law of motion that explains inertia is...
Newton's III Law
Newton's II Law
Newton's I Law
Action-reaction law
What is meant by fundamental quantities and examples?
A generator works for 2 hours and 30 minutes. Calculate the working time of the generator in International System Units (SI)!
What are the properties of solid matter?
How much heat is required to raise 1 kg of copper from a temperature of 313 K to 333 K? (Specific heat of copper is 390 J/(kg.K))
Observe the following image!
