it is needed in making new cell membranes. a. fats b. proteins c. carbohydrates d. minerals

Fish, meat, nuts and pulses contain a lot of _________. a. carbohydrates b. proteins c. fats d. minerals

The number of waves/ vibration that pass a point each second a. frequency b. wavelength c. pitch d. amplitude

What two measurements are necessary for calculating speed? a. distance and mass b. mass and time c. distance and time d. temperature and distance

The line in the oscilloscope is called _________ a. amplitude b. wavelength c. vibrations d. trace

Iron and Calcium are kinds of _______________

Sound is able to travel faster in solids than in air because the molecules in solid are a. closer together than in air particles b. move faster than air particles c. larger than air molecules d. all of the above

_____helps to keep food moving easily through the digestive system. a. vitamins b. minerals c. fats d. fibre

The volume of a sound is measured in units called ____________. a. Hertz b. decibel c. amplitude d. Hertz / second

The image shows that, in Benedict test, test tube ______ has the most sugar. a. Test tube 1 b. Test tube 2 c. Test tube 3 d. Test tube 4

A deficiency disease that the skin becomes weak, sores develop

A diet that provides all the different kinds of nutrients, and the right amount of energy is called ________________. a. diet b. balanced diet c. nutrients d. balanced

Two kinds of carbohydrates are _______ and __________. a. protein and fats b. starch and sugar c. amino acids and minerals d. vitamins and sweets