Answer:
a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
Explanation:
i don't have one
Answer:
If air in a pump is squeezed more, then the air gets hotter because energy is added to it.
Explanation:
A hypothesis is a simple scientific guess that can be investigated. It usually adopts the if -then and because approach to relate variables to the expect output.
The most fitting statement of hypothesis that can be investigated is that "If air in a pump is squeezed more, then the air gets hotter because energy is added to it".
We can find the volume of the air, the pressure of the pump and temperature and discern their relationships.
Based on the kinetic theory, pressure causes increasing collisions between particles and hereby, a gas will be hotter.
Answer:
4
Explanation:
All of them are significant figures
Answer:
c) the speed of the cart is changing
True
But
We
Should
.......... to study
