Water can exist in three states of matter. Imagine examining the changes of state from solid to liquid to gas by adding to ice. What would change or not change?

What do you measure with a spring scale? A: distance in inches B: weight in pounds C: mass in grams D: distance in centimeters

In a certain right triangle, the two sides that are perpendicular to each other have lengths h = 4.40 m and b = 8.70 m. What is the length of the third side of the triangle?

On the moon the acceleration due to gravity is only 1.6 m/s2 if someone on earth can throw a baseball 24.2 m high how high could she throw it on the moon

Does it take more energy to boil a gram of mercury or a gram of water?

Technician A says that starwheel adjusters use different threads (left and right handed) for the left and right sides of the vehicle. Technician B says that a pawl controls the teeth of the starwheel adjuster.

When one of the electrons of a particular atom undergoes a transition to a quantum state of lower energy, it a) collides with another of its electrons b) exchanges quantum states with another of its electrons c) undergoes a transition to a quantum

What's the symbol for an ionized bromine atom?

What is the hottest layer in the Sun's atmosphere?

Which do you need to calculate the speed of a wave? A. distance and frequency B. distance and time C. time and frequency

What is one of the benefits that scientists have discovered from organisms' daily exposure to radioisotopes? 1. being able to Carbon date fossils 2. X-ray Imaging capability 3. radiation treatment for cancer 4. invention of microwave cooking