MARKS : 60

DURATION : 1H30 MIN

NAME OF LEARNER :______________________________________________

CLASS : ______________________________________________

INTRUCTIONS

1. Answer all questions.

2. Write neatly and legibly.

3. All answers should be written in the spaces provided in the question paper.

4. Follow instructions promptly.

5. All the drawings should be in pencil, neat and fully labelled.

6. Coloured pencils may be used only for shading where require.

This question paper consists of 10 pages

RAMOTSHERE MOILOA SUB-DISTRICT

TECHNOLOGYTERM 1 COMMON TEST

MARCH 2018GRADE 7

GRADE 7 TECHNOLOGY 2 MARCH 2018

Question 1.1

Circle the letter of the most correct answer from the following:

1.1.1. 3D oblique drawing … (1)

A. Projects the corners at 45 degrees.

B. Shows only two dimensions of an object

C. Indicates the vanishing point towards the left

D. Has unequal dimensions

1.1.2. The design process involves the following stages … (1)

A. Investigate, draw, make, communicate and test

B.Investigate, design, make, evaluate, communicate

C.Investigate, design, evaluate and make

D.Investigate, develop, make, and communicate

1.3.1. Which of the following represent the third class lever? (1)

A. Fulcrum, Effort, Load

B. Effort, Fulcrum, Load

C. Fulcrum, Load, Effort

D. Effort, Load, Fulcrum

1.4.1 The description of hidden lines in graphic communications is … (1)

A.Feint and continuous

B.Thick and continuous

C.Feint and dashed

D.Double arrows on either side

GRADE 7 TECHNOLOGY 3 MARCH 2018

1.5.1. Another word/term for fulcrum is... (1)

A. Mechanical advantage

B. Pivot

C. Output

D. Load

Question 1.2

State whether the following statements are true and which are false. Write TRUE or FALSE in the space provided after every question.

1.2.1. We cannot use old Technology in the modern world. (1)

______________

1.2.2. The design process begins with a problem, need or opportunity that needs to be solved. (1)

_____________

1.2.3. Outer line is thick, dark and continuous. (1)

_____________

1.2.4. Pneumatic is a machine or tool that operates by compressed or pressured air (1)

_____________

1.2.5. Both 2D and 3D show three dimensions. (1)

____________

[10]

GRADE 7 TECHNOLOGY 4 MARCH 2018

Question 2

2.1. Explain the term Technology. (2)

__________________________________________________________________________________

__________________________________________________________________________________

__________________________________________________________________________________

_________________________________________________________________________________

2.2.1. Identify the problem in the scenario above. (1)

__________________________________________________________________________________

__________________________________________________________________________________

2.2.2. Which machine could be used to free the people from the car? (1)

_________________________________________________________

2.2.3. Write one material that could be used when making the product. (1)

a. __________________________

GRADE 7 TECHNOLOGY 5 MARCH 2018

2.2.4. List one tool that might be used when creating the product. (1)

a. ____________________________

2.5. Constraints are things that limit your design process. List two that can limit your design. (2)

a. ___________________________________________________________

b. ___________________________________________________________[8]

Question 3

3.1. Complete the table below by filling in the correct answers:

Line Type Draw Description

a. Construction line

b. Hidden details

c. Outlines

d. Dimensioning

(8)

GRADE 7 TECHNOLOGY 6 MARCH 2018

Question 4

Draw the following 2-D shape of an office drawer into a single point perspective. Show hidden details, outer and construction lines.

[8]

Horizon line Vanishing Point

GRADE 7 TECHNOLOGY 7 MARCH 2018

Question 5

5.1 State whether the following items represent the 1st, 2nd or 3rd class of lever.

ITEM CLASS OF LEVER

Pair of scissors 5.1.1. ____________________

Stapler 5.1.2. __________________________

Pair of pliers 5.1.3. _______________________

Pair of tweezers5.1.4. ___________________________

Nut Cracker5.1.5. _________________________

Wheelbarrow5.1.6. ______________________

[6]

5.2 The following diagram represents a peg that operates in a lever mechanism.

GRADE 7 TECHNOLOGY 8 MARCH 2018

5.2.1. At which letters are we going to have the following?

Load __________________ (1)

Effort __________________ (1)

Fulcrum or pivot ___________ (1)

[3]

5.3. Describe the third class of lever in terms of the position of the fulcrum, effort and load. (3)

____________________________________________________________________________

____________________________________________________________________________

____________________________________________________________________________

5.4. Study the figures below to answer the questions that follow.

Figure A

Figure B Figure C

5.4.1. Which classes of levers are represented by figure A to C above? (3)

GRADE 7 TECHNOLOGY 9 MARCH 2018

A. ____________________________

B. _____________________________

C. _____________________________

5.5. In the figures above, which class always gives mechanical advantage? (2)

____________________________________________________________________________

5.6. In which figure is more force applied? (1)

____________________________________________________________________________

Question 6

6.1. Explain what is hydraulic system and pneumatic system? (4)

____________________________________________________________________________

____________________________________________________________________________

____________________________________________________________________________

____________________________________________________________________________

____________________________________________________________________________

6.2. Which plunger moves immediately when pressing plunger A, between plunger B filled with air and plunger B filled with water? (2)

____________________________________________________________________________

____________________________________________________________________________

____________________________________________________________________________

6.3. Which plunger is easy to push between plunger A filled with air and plunger A filled with water? (2)

GRADE 7 TECHNOLOGY 10 MARCH 2018

____________________________________________________________________________

____________________________________________________________________________

____________________________________________________________________________

[8]

Grand Total = 60