4. A motorboat accelerates uniformly from a velocity of 6.5m/s to the west to a velocity of 1.5m/s to the west. If its acceleration was 2.7m/s^2 to the east, how far did it travel during the acceleration?
Matter cannot be created or destroyed. A. True B. False
What happens to a light wave when it travels from air to water? A Its color changes B Its intensity changes C Its speed changes D Its frequency changes
Where are the other elements made? In black holes In stars In the lab
The radiation that __ during the decay of radioactive atomic nuclei is known as gamma radiation. Multiple Choice: Which choice completes the text so that it conforms to the conventions of Standard English? occurs have occurred occur are occurring
5. Thursday What is the symbol used for the following units? Liter square Meter square Gram square
CER - Question Why does water form droplets on a penny instead of spreading out flat?
Match the symbol to the correct term. square x square v_(f) square S square t square a square v_(i) 1. initial velocity 2. final velocity 3. acceleration 4. displacement 5. time 6. speed
Which would scientists predict might happen due to solar flares? (1 point) radio navigation systerins and global positioning systems will be inaccurate high-frequency radio waves used for radio communication will be blocked electrical systems in satellites will fail power grid operations will go offline
Label the following parts of the atom: Protons Neutrons Electrons Nucleus
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
