Questionnaire TOPIC 6 (6º) FORCES

ANSWER THESE TEST QUESTIONS

1) What two forces can attract or repel?
2) What force makes objects fall to the ground?
3) Which force acts in the direction opposite to the direction of movement?
4) Elastic objects are ........................temporarily by................................
5) Non-elastic objects are ..............................distorted by .....................
6) Forces can make something.........................................
7) When a tennis player hits a ball, it changes................................
8) When a basketball player catches a ball, it ................................
9) A bicycle is a machine which transforms mechanical energy into human energy. T/F
10) Pulleys have many components. T/F
11) A hammer works with wind energy. T/F
12) A washing machine works with fuel. T/F
13) Computers are simple machines. T/F
14) The outer part of a machine is the..............................
15) The frame of the machine which supports the weight is the.................................
16) A group of operating parts which act together to perform a specific task is.........
17) Engines which use chemical energy from fuel are..............................
18) Components which have tiny electronic circuits and are used in digital cameras, telephones, etc, are...................................
19) Everything in the ....................................orbits the Sun.
20) The Sun is an enormous yellow......................................
21) The Sun.......................on its own invisible axis.
22) There are................................large, celestial bodies called planets.
23) The planets can be classified into two groups: .........................and.....................
24) There are exactly 365 days in a year. T/F
25) The Earth rotates on its own axis. T/F
26) It takes 12 hours to complete this rotation. T/F
27) The Sun rises in the west and sets in the east. T/F
28) The Earth's axis is slightly tilted. T/F
29) New Moon.............................
30) First quarter...........................
31) Full Moon...............................
32) Last quarter............................
33) Last quarter...........................
34) Lunar eclipse...........................
35) Total eclipse............................
36) Most stars consist of...............................................................
37) Temperature affects.................................................................
38) Stars are not all .......................................................................
39) Constellations are ...................................................................
40) Orion can only be seen in........................................................
41) A nebula is a cloud of.............................................................
42) Our Solar System is on the......................................................