Key Concepts Rewrite the following sentences in your copybook and fill in the blanks. 1. The SI unit of length is the _____________. 2. The SI unit of mass is the _____________. 3. The SI unit of time is _____________. 4. The SI unit of temperature is the _____________. 5. To measure short curved lines, for example a road on a map, you would use an _____________.
6. A _____________ _____________ is used to measure the diameter of a small pipe. 7. The mass of an object is a measure of the _____________ of _____________ in it. 8. The mass of an object is measured in _____________ or _____________, and is found using an _____________ _____________.
9. Give five units that can be used to measure area. (a) ___________________ (b) ___________________ (c) ___________________ (d) ___________________ (e) ___________________ .
K U
Knowledge and Understanding 1. Calculate the area of a rectangle of length 8 cm and width 9 cm.
2. How would you calculate the area of a leaf ? 3. Calculate the volume of a large box of length 2 m, width 3 m and height 9 m. 4. The level of water in a graduated cylinder increases by 34 cm3 What is the volume of the stone?
5. The level of water in a graduated cylinder increases from 26 cm3 placed in it. What is the volume of the stone?
to 53 cm3 when a stone is placed in it. when a stone is
6. Draw labelled diagrams to show the piece of equipment you would use to measure each of the following: (a) The length of a table (b) The length of a curved line on a map (c) The volume of a glass of water (d) The volume of a piece of coal (e) The diameter of a test tube
A T I
Thinking and Investigating 1. Describe how an overflow can is used to measure the volume
of a small stone.
2. How would you measure the volume of a cork using an overflow can? 3. The diagram shows a piece of equipment, labelled A, containing water. (a) Name this piece of equipment. (b) A stone was then added and a new volume was recorded as shown in B. What is the volume of the stone in cm3
? (c) How could you measure the volume of the stone more accurately? 304
