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Final Test 1 reviewer

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Sound is a form of energy produced by ______________. a. prism b. vibration c. distance d. forces

vibrations

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

balanced diet

What does this graph represent? a. constant speed b. acceleration c. not moving d. a and b

constant speed

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

starch and sugar

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

decibel

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

distance and time

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

frequency

An object that does not vibrate cannot produce a. light b. sound c. heat d. electricity

sound

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

proteins

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

closer together than in air particles

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

test tube 4

A ___________ is an example of a stringed instrument. a. drum set b. trumpet c. flute d. piano

piano

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

fats

Based on the pattern of movement in the picture, the person __________. a. speed up b. speed down c. constantly moves d. freezing

speeding up

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

fibre

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

trace