1). Step on a bathroom scale & talk about where the force shown on the dial is coming from.
2). From the floor, climb up on to a chair, then explain why it's hard to do.
3). From up on the chair, take one giant step forward, then talk about what pulled you to the floor (and not to the ceiling or a wall).
Kilogram(kg)
It's not the SI unit of mass in the metric system however.
Answer:
2m/s
Explanation:
The formula for speed is [ s = d/t ].
s = 8/4
s = 2m/s
Best of Luck!
Answer:
Explanation:
Given that,
Lightning flashes one mile (1609 m) away from you.
We need to find the time it take the light to travel that distance. Let the time be t. We know that,
speed = distance/time
So, the required time is 
Well, i would tell the kid that light is electromagnetic radiation which
is visible. The frequency and wavelength is just right so the radiation
becomes visible, and that visible radiation goes away from the star and
reaches earth
It also depends on the age of the child and the comprehension level
