Reteaching Unit 1 Energy
Quiz by Natosha Rucker
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- Q 1/7Score 0
What system is shown in the picture below?
29closed system
open system
isolated system
- Q1
What system is shown in the picture below?
closed system
open system
isolated system
30s - Q2
A group of students is learning about chemical reactions. They perform an investigation with four different setups. Only one of the setups is a closed system. The masses of the setups are measured and then a chemical reaction occurs in each setup. After the reactions occur, the masses are measured again. The results are shown in the table.
setup Z
setup W
setup X
30s - Q3
A boy drops a ball while standing on top of a chair. What energy transformation is taking place?
Kinetic to potential
Potential to kinetic
Electromagnetic to kinetic
30s - Q4
Plants gain energy from the sun in a process called photosynthesis. What is the energy transformation?
chemical to nuclear
electromagnetic to chemical
potential to kinetic
30s - Q5
A father and his 6 year old son race down a mountain on skis. If they're traveling at the same velocity, who has more kinetic energy? Assume the father has more mass than the son.
they have the same kinetic energy
the father
the son
30s - Q6
A small sedan us driving at 12 m/s. It has a mass of 2000 kg. Calculate the Kinetic Energy. Be sure to select an appropriate unit! (Enter only the number and the unit)
Users enter free textType an Answer30s - Q7
A 47 kilogram skydiver drops out of an airplane. At the height of their drop, they are 3,000 meters high and are pulled down by gravity at 9.8 m/s2. Calculate Potential Energy. (Enter only the number).
Users enter free textType an Answer30s
