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WorksheetsScience Quiz bee Grade 8
Total questions: 15
Worksheet time: 5mins
EASY. It is the equivalent of 1 Newton.
(a)
EASY. Force that exists in magnets.
(a)
EASY. How many percent of dormant and active volcanoes does the Pacific Ring of Fire has?
80%
76%
75%
77%
EASY. He invented the chemical symbols in Periodic Table of Elements.
(a)
EASY. Centripetal means (a) .
AVERAGE. He proposed the Nebular Hypothesis.
George Comte de Buffon
Fred Hoyle
Ernest Rutherford
Marquis De Laplace
AVERAGE. He stated that “It is impossible to determine both the momentum and the position of an electron at the same time accurately.”
(a)
AVERAGE. Automated Weather Station is tool designed to produce incoming warnings in the form of sirens.
True
False
AVERAGE. During this stage, the cytoplasm splits in two and cell divides.
(a)
AVERAGE. Who was the English chemist who proposed the law of octave?
Dmitri Mendeleev
Johann Dobereiner
John Newlands
Lothar Meyer
DIFFICULT. Your 30kg dog is running at 10 m/s on the end of a 3m leash. Calculate it’s centripetal force.
(a)
DIFFICULT. A reaction between oxygen and another substance.
(a)
DIFFICULT. Describe ls how the body parts of an animal are arranged around a point or an axis.
(a)
DIFFICULT. What is the centripetal force of the train, whose speed is 27.8m/s, rounding a curve whose radius of curvature is 150 m if the train’s mass is 8000 kg?
(a)
DIFFICULT. Decayed microorganisms use oxygen.
True
False
