โ SetsGrade 7 Science Q3: Heat, Light & Sound โ Set 3
0 of 10
Grade 7 Science Q3: Heat, Light & Sound Practice Questions โ Set 3
10 free Grade 7 Science Q3: Heat, Light & Sound reviewer questions with answers and explanations. Pindutin ang sagot mo para makita agad kung tama โ kasama na ang paliwanag. Set 3 of 4.
21
Which type of mirror always forms a virtual, upright, and diminished image?
22
What do we call the regions in a longitudinal wave where the particles are crowded together?
23
Which of the following surfaces would most likely produce a 'specular' (mirror-like) reflection?
24
What is the primary reason why we see a rainbow after it rains?
25
If a wave has a wavelength of 2 meters and a frequency of 5 Hz, what is its speed? (v = fฮป)
26
Which color has the longest wavelength in the visible spectrum?
27
What term describes materials that allow some light to pass through but scatter it so objects cannot be clearly seen?
28
Why do we see lightning before we hear the thunder?
29
What is the boiling point of water in the Celsius scale at standard atmospheric pressure?
30