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science(check answers)

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can someone check my answer thanks !


2.The ability to do work or cause change is called

A.velocity.
B.energy.(I PICK B.)
C.transfer.
D.friction.


3.Which type of energy is demonstrated by a person jogging?

A.electrical energy
B.nuclear energy
C.electromagnetic energy
D.kinetic energy(I PICK D)


4.Which is the type of energy available in food?

A.electromagnetic
B.gravitational
C.chemical(I PICK C)
D.kinetic


5.Dan does 188.0 J of work raking leaves. If the rake does 128.0 J of work, what is the efficiency of the rake?

A.68.1 percent(I PICK A)
B.147.0 percent
C.60.0 percent
D.316.0 percent


6.Which type of energy transformation is taking place when natural gas is used to heat water?

A.chemical energy into thermal energy(I PICK A)
B.thermal energy into mechanical energy
C.mechanical energy into electromagnetic energy
D.electromagnetic energy into chemical energy


7.The energy associated with the motion and position of an object is called

A.kinetic energy.
B.potential energy.
C.gravitational potential energy.
D.mechanical energy.(I PICK D)
****I ACTUALLY HAD 2 CHOICES FOR 7 SO MY OTHER ANSWER IS A*****

  • science(check answers) -

    I believe they are all right

  • science(check answers) -

    I agree.
    in #7 motion is kinetic and position is potential (for example k x^2 or mgh) so together is total mechanical

  • science(check answers) -

    so b for number 7???

  • science(check answers) -

    NO!!!! total mechanical D

  • science(check answers) -

    You have BOTH motion AND position

  • science(check answers) -

    why didn't you finsh them numbers 8 through 15 are still not answered

  • science(check answers) -

    ok I think U got them all right why the Heack U ️forgot 8-15

  • science(check answers) -

    8 D
    9 A
    10 B
    11 C
    12 C
    13 C
    14 B
    15 B

  • science(check answers) -

    here the full answer sheet for everyone in the future is

    1.d 2.b 3.d 4.c 5.a 6.d 7.d 8.d 9.a 10.b 11.c 12.c 13.c 14.b 15.b

  • science(check answers) -

    Rgx

  • science(check answers) -

    Number 6 is not d..it is A...Just took the test and got 14/15..

  • science(check answers) -

    They r right. Here are the answers....
    1.D
    2. B
    3. D
    4. C
    5. A
    6. A
    7. D
    8. D
    9. A
    10. B
    11. C
    12. C
    13. C
    14. B
    15. B

  • science(check answers) -

    Salted caramel is right got me 100%

  • science(check answers) -

    Thank you, Salted Caramel! 100%! 15/15!!!

  • science(check answers) -

    1.D
    2. B
    3. D
    4. C
    5. A
    6. A
    7. D
    8. D
    9. A
    10. B
    11. C
    12. C
    13. C
    14. B
    15. B all right thanks @Salted Caramel!! love you foreve

  • science(check answers) -

    aweosome thanks

  • science(check answers) -

    @the girl that has no friends@ hey i know you your othilia your SUPER HOT

  • science(check answers) -

    no...im not hot or any thing!!!! and hw do you know me @hi?

  • science(check answers) -

    dam you respond fast..i know you becuase you go to connections and your user name on alot of suff is the girl that has no friends...

  • science(check answers) -

    wow...um..im not hot tho or cute or any thing....and are you rayne?

  • science(check answers) -

    oh no im not im well nvm umm ttyl i have to go do school!! yea

  • science(check answers) -

    oh ok and your in 9th grade right i am and yea... :T

  • science(check answers) -

    Wait @hi are you Collin?

  • science(check answers) -

    and he forgot number 1 but its c there is no air between the 2 flask

  • science(check answers) -

    OMG SALTED CARAMEL UR THE BEST I GOT 15/15 100% THANK YOU SOOOOOOOOOOOOOOO MUCH!!!!!!!!!!!!!!!!!!!!

  • science (check answers) -

    @the girl that has no friends@ if someone calls u super hot take it trust not everyone is going to say it and if your not then oh well

  • science(check answers) -

    i didn't do it yet.........i hope its correct....

  • science(check answers) -

    i need help

  • science(check answers) -

    OMG 15/15 tanks so much guys.

  • science(check answers) -

    1.D
    2. B
    3. D
    4. C
    5. A
    6. A
    7. D
    8. D
    9. A
    10. B
    11. C
    12. C
    13. C
    14. B
    15. B

  • science(check answers) -

    1 is c

  • science(check answers) -

    nevermind it is c.

  • science(check answers) -

    1.D
    2. B
    3. D
    4. C
    5. A
    6. A
    7. D
    8. D
    9. A
    10. B
    11. C
    12. C
    13. C
    14. B
    15. B


    thx salted caramel

  • science(check answers) -

    Thanks Salted Caramel! sry if I spelled caramel wrong.

  • science(check answers) -

    Thanks I got 100%

  • science(check answers) -

    100% right thanks boo

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