What is a Cartesian diver? What does it do?

What are two disadvantages of burning coal, oil, or natural gas to provide energy?

What should scientists do after completing a scientific investigation? A write a hypothesis B confirm the results C design the procedure D make observations

If the mass of a material is 49 grams and the volume of the material is 10 cm^3, what would the density of the material be?

The kinetic energy of a moving object is equal to the work required to bring it to its speed from rest, or the work the object can do while being brought to rest.

Which of the following is a common property of Noble Gases? Question 22 options: are good conductors of electricity have a full outer shell of electrons are highly reactive seeks to donate one to three electrons easily form chemical compounds

A plane is sitting on a runway, awaiting takeoff. On an adjacent parallel runway, another plane lands and passes the stationary plane at a speed of 40 m/s. The arriving plane has a length of 40 m.

How much time does it take for a car travelling at 5m/s in 21 metres

Finley is trying to transmit a sound wave that will travel continuously, but he is frustrated by the excess noise. What kind of signal is Finley sending?

The isotope of an atom contains 40 protons and 51 neutrons suddenly has two neutrons added to it. What isotope is created? 1. Antimony-39 2. Zirconium-93 3. Antimony-53 4. Zirconium-53

Choose all that apply. Which are phases of matter? Steam, Plasma, Solid, Liquid, Gas, Water