Scales and rulers are used to measure weight and length.
Units of weight includes kilograms and pounds and units of length includes centimeters and inches.
These instruments are used to observe very large and very small objects.
Telescopes are used by astronomers and microscopes are used by biologists and doctors.
These appliances are used in the kitchens of almost every home.
Stoves are used to heat food and refrigerators are used to keep foods cool or cold.
Household tools like these, are used to build and repair things.
Hammers are used to pound in the nails and screw drivers are used to turn a screw.
We can use a telescope to see objects that are far away.
Rulers are used to measure length.
