Why are new scientific models developed?

a. to find out whether scientific ideas are correct

b. because original models are never accurate

c. to make the models look better

d. in order to reflect the most recent discoveries

Which of the following would increase the strength of an electromagnet? Check all that apply. A. Increasing the current flow B. Putting a piece of iron inside the loops of wire C. Increasing the number of loops of wire D. Spinning the loops E.

A bird flies north with a force of 11N, the air resistance is 2N. How do i do a diagram of this?

Identify these elements of photosynthesis.

How long will it take a rock dropped from 2.0 m above the surface of mercury to reach the ground?

Overlearning information hinders deep processing. T or F

The circumference of the Earth is approximately 40,000 km. The Earth has a magnetic field that protects it from solar particle radiation. The major element comprising the solid inner core of the Earth is iron. The Earth is approximately 4.

A capacitor with the capacitance constant C has a charge of Q and a potential difference of V. If the charge is reduced to Q and the potential is increased to 2V, what is the new capacitance? 2c 4c

4. The blades on a fan have a frequency of 15 Hz. a) How many cycles do the blades complete in five minutes? b) What is the period for the fan blades? c) How long would it take for the fan blades to complete 100 revolutions?

What will happen to the soccer ball as it rolls down the ramp? The question is on science there isnt a choice for science

According to Newton's first Law of motion, it takes forces to be balanced to move an object from its resting position. True or False