The line in the oscilloscope is called _________ a. amplitude b. wavelength c. vibrations d. trace
trace
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 volume of a sound is measured in units called ____________. a. Hertz b. decibel c. amplitude d. Hertz / second
decibel
A ___________ is an example of a stringed instrument. a. drum set b. trumpet c. flute d. piano
piano
_____helps to keep food moving easily through the digestive system. a. vitamins b. minerals c. fats d. fibre
fibre
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
What vitamin is lacking or deficient if someone got rickets?
Vitamin D
When a sound gets louder, what measurement gets bigger? a. frequency b. wavelength c. amplitude d. none of the above
amplitude
A deficiency disease that the skin becomes weak, sores develop
scurvy
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
Sound is a form of energy produced by ______________. a. prism b. vibration c. distance d. forces
vibrations
Iron and Calcium are kinds of _______________
minerals
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
An object that does not vibrate cannot produce a. light b. sound c. heat d. electricity
sound
it is needed in making new cell membranes. a. fats b. proteins c. carbohydrates d. minerals
fats
Fish, meat, nuts and pulses contain a lot of _________. a. carbohydrates b. proteins c. fats d. minerals
proteins
What does this graph represent? a. constant speed b. acceleration c. not moving d. a and b
constant speed
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
Based on the pattern of movement in the picture, the person __________. a. speed up b. speed down c. constantly moves d. freezing
speeding up
The number of waves/ vibration that pass a point each second a. frequency b. wavelength c. pitch d. amplitude
frequency
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