Juan thinks that water will evaporate faster in a warm place than in a cool oneA. He has two identical bowls and a bucket of water.. Place a bowl of water in a cool place and a bowl with
Trang 1Đề Thi Olympic Tiếng Anh Lớp 6 Vòng 2 Năm Học 2013-2014
Chọn câu trả lời tốt nhất cho những câu hỏi dưới đây
1 In order for a space shuttle to be launched from Earth into space, rocket forces must be _.
A kept to zero during the launch
B less than the gravitational force
C equal to the gravitational force
D greater than the gravitational force
2 Karen made these four drawings of a virus developing in a bacterium cell.
In what order should she arrange her drawings to show how the virus develops?
A 3 — 2 — 4 — 1 B 2 — 4 — 3 — 1
C 2 — 1 — 4 — 3 D 3 — 4 — 1 — 2
3 Juan thinks that water will evaporate faster in a warm place than in a cool one He wants to do an experiment to find out if he is correct He has two identical bowls and a bucket of water Which of the following should he do?
A Place a bowl of water in a cool place and a bowl with the same amount of water in a warm place
B Place a bowl of water in a cool place and a bowl with twice the amount of
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C Place a bowl of water in a cool place and a bowl with half of the amount of water in a warm place
D Place two bowls with the same amount of water in a warm place
4 Two identical spring scales are arranged as shown If a weight is suspended
as shown in the picture, what will occur?
A Spring Number 1 will stretch more
B Spring Number 2 will stretch more
C Both springs will stretch the same distance
D One cannot tell which spring will stretch more
5 Which BEST describes a reason why nonvascular plants, such as mosses, grow close to the ground?
A They do not require much sunlight
B They lack true roots and stems
C They grow in cooler temperatures
D They do not produce seeds
Trang 36 Two workers use a ramp to help lift a box onto a dock as shown above Despite the advantage gained by using the ramp, there is a loss of energy mainly due to _
A the length of the ramp
B the rope stretching when it is pulled
C two people pulling the rope
D friction between the box and the ramp
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7 White dwarfs are hot stars that produce very little light In which zone would a white dwarf be found?
A Zone 1 B Zone 2 C Zone 3 D Zone 4
8 Assuming that the Winding River flows through flat land and is the same depth at each point, where would the river current be the fastest?
A point A B point B C point C D point D
9 Joseph wants to test how a tomato plant's growth would be affected if it were missing one of the three minerals: calcium, iron, or magnesium He has prepared 4 groups of identical tomato plants with 4 plants in each group One group of the plants will serve as the control group Which minerals should Joseph give to the plants of the control group?
A calcium, iron, and magnesium B only calcium and iron
C only iron and magnesium D only calcium and magnesium
Trang 510 This is a diagram of a genetic cross In guinea pigs, black hair color is dominant (B) and white hair color is recessive (b) What hair color are the guinea pigs' offspring?
A All black
B All white
C Mostly black with some white
D Mostly white with some black
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