1. Natural Sciences and Technology Grade 6
Term 3: Energy and Change
Systems to Solve Problems

2. Topic 3 Systems to solve problems
Natural Sciences and Technology - Grade 6

3. Natural Sciences and Technology - Grade 6
Vocabulary
Design
Design is the creation of a plan to construct [buildings, clothes, cupboards, electrical circuits, toys, etc.]
It includes a sketch or plans to show the look and function or workings of the objects that will be designed before it is made.
Natural Sciences and Technology - Grade 6

4. Design: An example of a toy [rough sketch]
Natural Sciences and Technology - Grade 6

5. Natural Sciences and Technology - Grade 6
Vocabulary
Specifications
Information about the project and it is specially
made to meet a unique need.
Information about the requirements for a product
and how the product is to be put together.
For example:
- made from recycled material
- light weight
- include mechanisms that allow movement
- safe to use
- no sharp edges
- not expensive
Natural Sciences and Technology - Grade 6

6. Natural Sciences and Technology - Grade 6
Vocabulary
Evaluate
Look at the advantages and disadvantages of the design.
Determine whether all the criteria were met [weight, edges, user friendly, recycled material, etc.]
How the parts were joined.
Can the toy move?
Natural Sciences and Technology - Grade 6

7. Natural Sciences and Technology - Grade 6
Vocabulary
Constraints
Something that limits or restricts a product:
Not enough money for the design.
Material is too heavy.
Cannot find the proper recycling material.
Edges are not smooth.
Toy does not move properly.
Natural Sciences and Technology - Grade 6

8. Natural Sciences and Technology - Grade 6
Vocabulary
Draw
To produce a picture or a diagram by making marks and lines on paper with a pencil or pen.
Natural Sciences and Technology - Grade 6