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WorksheetsQuiz Masters 2.0
Total questions: 15
Worksheet time: 8mins
Which of the following is the SI unit of energy?
Joule
Watt
Newton
Kelvin
Which phenomenon is responsible for the twinkling of stars?
Reflection
Refraction
Diffraction
Scattering
Which metal is most commonly used to coat other metals to prevent corrosion?
Copper
Zinc
Silver
Iron
If the perimeter of a square is 36 cm, what is the length of each side?
6cm
8cm
9cm
12cm
If a number is increased by 20%, what is the new number?
1.2 times the original number
1.2 times the square of the original number
0.2 times the original number
1.5 times the original number
What is the sum of the angles of a triangle?
90°
180°
360°
270°
What is the value of 7! (7 factorial)?
5040
4880
1720
3740
What is the primary component of air?
Oxygen
Nitrogen
Carbon dioxide
Argon
Which of the following is an example of an exothermic reaction?
Melting ice
Boiling water
Combustion of wood
Dissolving salt in water
What is the molecular formula of glucose?
C₆H₁₂O₆
C₆H₁₀O₅
C₄H₆O₄
C₆H₁₄O₇
Which of the following is a property of acids?
Taste bitter
Turn red litmus paper blue
Taste sour
Feel slippery
What is the molar mass of sodium chloride (NaCl)?
35 g/mol
58.5 g/mol
74.5 g/mol
90 g/mol
Which law states that "For every action, there is an equal and opposite reaction"?
Newton's First Law
Newton's Second Law
Newton's Third Law
Law of Conservation of Momentum
What is the acceleration due to gravity on Earth?
9.8 m/s²
12.8 m/s²
10.8 m/s²
8.9 m/s²
Which of the following is NOT a type of simple machine?
Lever
Pulley
Inclined Plane
Battery
