One way to get consistent, valid data is to:

be sure that instruments are calibrated properly.

use simple instruments to make measurements.

select the best data to place into data tables.

make the measurements as quickly as possible

What does the equation n = Pout/Pin mean?

What is the mass of an object that has a density of 3.2 g/cm^3 and a volume of 5.5cm^3? (The density of an object has the equation d = m/v.)

3. All the water on Earth, including the water in the atmosphere, makes up the A. biosphere. B. hydrosphere. C. atmosphere. D. geosphere.

A rubber ball weighs 49 N ... a) What is the mass of the ball? (Answer: 5.0 kg). b) What is the acceleration of the ball if an upward force of 69 N is applied? (Answer: 4.0 m/s/s). For a) I used the equation W = Fg = mg, which becomes 49 = m (9.8).

Can enter through any cavity lined with mucus membranes

How do air quality scientists ensure the air is cleaned? What steps do they take?

Is a mirrors surface opaque or transparent or translucent?

Sound waves can combine to become bigger or smaller true or false

Archimedes supposedly was asked to determine whether a crown made for the king consisted of pure gold (density of gold is 19.3 * 103 kg/m3). According to legend, he solved this problem by weighing the crown first in air and then in water.

What are at least three types of energy involving a microwave