A neuron transfers information in the form of an electrical impulse.

a. True

b. False

Write a hypothesis for the following : how will batting practice affect a player's batting average

The sound of a loud warning siren travels through air and reaches the surface of a lake. The sound is then transmitted through the water at a speed about four times faster than through air.

What determines the composition of a rock

Define viscosity. Define viscosity. Resistance to flow. Magma has a higher viscosity if it has a lower temperature, is poor in silica, and contains very few dissolved gases. Resistance to flow.

If a 1-kg object stretches a spring by 2 cm, then how much will the spring be stretched when it supports a 3-kg object? (Assume the spring does not reach its elastic limit.

Two or more atoms can be held together through shared

What happens to wavelength as a wave leaves the air and enters the Perspex? a. It decreases c. It stays the same b. It increases d. It becomes irregular

Which of the following statements are correct? 1. Electrons and protons have identical masses but opposite charges. 2. Most of an atom's mass is concentrated in a small, positively charged, nucleus. 3.

What are some changes that can be caused by sound energy?

A cheetah can run at 30 m/s, but only for about 12s. How far will it run in that time