You should never submerge hot glass into cold water because it can __ Cool down too slow Shatter Not get clean all the way
What does a flat section on a velocity-time graph represent? Zero velocity Decreasing velocity Increasing velocity Constant velocity
Marie: I passed out because of the blast.What happened after I was pulled out of the lab? a) Evacuate the building b) Close the fume hood c) Extinguish the fire d) Trigger alarm and break the circuit
29. What are the energy levels around a nucleus called? A. Rings (D) B. Shells (F) C. Orbitals (I) D. Layers (V)
Which of the following impact the life cycle of the sun? Select all that apply. Chemical composition Hydrogen depletion Star origination Nuclear fission Nuclear fusion Solar cyce
Nuclear fission releases far more energy than nuclear fusion. True False
This happens when a larger nucleus, that is unstable, splits into smaller atoms. Nuclear fusion Nuclear fission Nuclear power Nuclear reactor
This happens when lighter nuclei fuse together to form a heavier nucleus. Nuclear fusion Nuclear fission Nuclear power Nuclear reactor
To the nearest pound, calculate the amount of force required to pull a 1,600 Ib. block of cast iron being dragged on steel. 375 lbs. 400 Ibs. 350 lbs. 450 Ibs.
15. To lift an object with a weight of 21,000 N how much force is needed on a piston with the area of 0.060m^2 if the platform being lifted has an area of 3.0m^2
Fire the catapult at the lowest cup position What is the distance achieved? About 635 About 357
If Jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, what is being done? compression work radiation energy creation
Which word or phrase best describes entropy? disorder order kinetic energy force
What are most semiconductors made from? aluminum copper iron silicon
At which temperature does all molecular motion stop? OR $0^{\circ }C$ OK $0^{\circ }F$
Which statement about the volume and pressure of a gas is the most accurate? Volume of a gas is directly proportional to pressure of that gas in any container. Volume of a gas is inversely proportional to pressure of that gas in any container. Volume of a gas is always greater than pressure of that gas in any container. Volume of a gas is equal to pressure of that gas in any container.
CER: Make a claim about which type of material (dark or light)increases in temperature more when exposed to light energy Use evidence and scientific reasoning from class to support your answer. Your answer
In a transverse wave the wavelength can be measured as the distance between two adjacent compressions. TRUE FALSE
The slope of a linear velocity vs time graph tells us the __ of the object. displacement velocity speed acceleration
What is the first nucleus of an atom shown as? a fuzzy cloud a mass of protons and neutrons a solid mass surrounded by electrons a mass of protons
