Worksheets8th Grade: Q3 Exam Review 1.2
Total questions: 12
Worksheet time: 6mins
A wave has a frequency of 70 Hz and a wavelength of 10 meters. What is the wave speed?
7, 000 m/s
700 m/s
70 m/s
7 m/s
A wave has a wavelength of 120 meters and is moving at a speed of 60 m/s, what is its frequency?
0.5 Hz
0.005 Hz
0.0005 Hz
0.00005 Hz
A wave is moving 60, 000 m/s, if the frequency 5,000 Hz what is the wavelength?
12000 m
1200 m
120 m
12 m
Choose the answer that shows the missing parts of the flow chart as shown above.
Variation
Mutation
Coevolution
Overproduction
What are the four types of fossil dating methods?
Relative Age, Absolute Age, Molecular Clocks, Known Age
Relative Date, Absolute Age, Molecular Clocks, Known Age
Relative Age, Absolute Age, Molecular Particles, Known Age
Relative Age, Absolute Age, Molecular Particles, Unknown Age
What are the five types of fossils?
Final Remains (Full Form Fossils), Petrified Fossils, Carbon Films and Impressions, Trace Fossils, Molds & Cast
Final Remains (True Form Fossils), Petrified Fossils, Carbon Films and Impressions, Trace Fossils, Molds & Cast
Original Remains (True Form Fossils), Petrified Fossils, Carbon Films and Impressions, Trace Fossils, Molds & Cast
Original Remains (Full Form Fossils), Petrified Fossils, Carbon Films and Impressions, Trace Fossils, Molds & Cast
Choose one major event in the Mesozoic Era.
All animals lived in the sea.
Vertebrates began to live on land. - Devonian Period.
Mammals evolved to live in many different environments.
Fish, insects, reptiles, and cone-bearing plants called conifers survive Permian mass extinction.
Choose one major event in the Cenozoic Era.
All animals lived in the sea.
Vertebrates began to live on land. - Devonian Period
Mammals evolved to live in many different environments.
Fish, insects, reptiles, and cone-bearing plants called conifers survive Permian mass extinction.
Choose one major event in the Paleozoic Era.
All animals lived in the sea.
Vertebrates began to live on land. - Devonian Period.
Mammals evolved to live in many different environments.
Fish, insects, reptiles, and cone-bearing plants called conifers survive Permian mass extinction.
The body only makes one mistake out of every ____________ million units of DNA copied.
100, 000
10, 000
1, 000
100
What are two factors that are associated with Sexual Selection?
Female Selection & Male Choice
Female Choice & Male Competition
Female Competition & Male Choice
Female Choice & Male Selection
Who was the first to propose a feasible mechanism for evolution?
Charles Lyell
Mary Anning
Charles Darwin
Jean-Baptiste Lamarck
