Let’s Talk Science Challenge
Practice Quiz #9
Question
1
Chapter
Physics
Difficulty
Hard
Question
The three primary colours of light are:
(A) Red, yellow, blue
(B) Red, green, blue
(C) Orange, green, purple
(D) Cyan, magenta, yellow
2
Earth
Sciences
Easy
Which of the following is a precious metal?
(A) Iron
(B) Nickel
(C) Silver
(D) Lead
3
Chemistry
Medium
Which of the following is a part of a pressure gauge?
(A) Piston
(B) Spring
(C) Calibrating rod
(D) All of the above
4
Chemistry
Hard
(-273.15) degrees Celsius is the same as what temperature on the Kelvin
scale?
(A) 0 K
(B) 50 K
(C) 100 K
(D) -460 K
5
Biology
Medium
Which of the following are the most primitive true plants?
(A) Mosses
(B) Seaweed
(C) Lichen
(D) Ferns
6
Biology
Hard
7
Mathematics
Hard
Which phylum of the plant kingdom includes ferns?
(A) Bryophyta
(B) Chlorophyta
(C) Pteridophyta
(D) Gymnosperm
What Morse code message is coded as
··· - - - ···
(A) SOS
(B) DAD
(C) MOM
(D) POP
8
Environmental
Sciences
Medium
Which of the following human activities has the greatest impact on
savannah ecosystems?
(A) Off-road driving
(B) Mining
(C) Oil and gas exploration
(D) Poaching
9
Engineering &
Technology
Medium
What was Wilhelm Conrad Roentgen experimenting with when he
discovered x-rays?
(A) Telescope
(B) CT scanner
(C) Cathode ray tubes
(D) Microscope
10
Space
Science
Easy
What is the name for the large bowl-shaped part of a radio telescope?
(A) Antenna
(B) Dish
(C) Feedhorn
(D) Tuner
Answers
1. B
2. C
3. D
4. A
5. A
6. C
7.A
8. D
9. C
10.B