Question

A red soil indicates the presence of iron.
A.True
B.False
44. The fossil record is the record of all fossils that have been found on Earth.
A.True
B.False

45. A break in a rock along a fault indicates that the rock is younger than the fault.
A.True
B.False

46. The Milky Way is smaller than the universe.
A.True
B.False

47. Mars has no weather.
A.True
B.False
48. Neptune’s largest moon, Triton, orbits in the opposite direction of the way Neptune orbits the sun.
A.True
B.False

49. Holding a heavy box in the air is an example of work.
A.
True
B.
False

50.
The more power applied to an object, the faster work is done to it.
A.
True
B.
False

51.
A non-moving object always has zero mechanical energy.
A.
True
B.
False

52.
The steeper a ramp is, the greater its mechanical advantage is.
A.
True
B.
False

Answer 1

@prettyboy20202

Answer 2

@hlee0919

Answer 3

@nincompoop

Answer 4

A red soil indicates the presence of iron.
A.True
44. The fossil record is the record of all fossils that have been found on Earth.
A.True
45. A break in a rock along a fault indicates that the rock is younger than the fault.
B.False
46. The Milky Way is smaller than the universe.
B.False
47. Mars has no weather.
B.False
Neptune’s largest moon, Triton, orbits in the opposite direction of the way Neptune orbits the sun.
A.True

49. Holding a heavy box in the air is an example of work.
B. False

Answer 5

can you help me with some more?

Answer 6

i'll try

Answer 7

50.
The more power applied to an object, the faster work is done to it.
A.
True
B.
False

51.
A non-moving object always has zero mechanical energy.
A.
True
B.
False

52.
The steeper a ramp is, the greater its mechanical advantage is.
A.
True
B.
False

53.
Copper has a greater resistance than iron.
A.
True
B.
False

54.
Lower voltage implies that more work is being done to move a charge.
A.
True
B.
False

55.
Any part of a parallel circuit being broken will cause the circuit to stop conducting.
A.
True
B.
False

56.
Wireless phones use radio waves to communicate with their bases.
A.
True
B.
False

57.
CD players use lasers striking a CD to create sound waves.
A.
True
B.
False

58.
The speed at which electromagnetic radiation travels varies based on its wavelength.
A.
True
B.
False
59.
Virtual images appear to come from behind the mirror.
A.
True
B.
False

60.
Optical fibers are used in medicine to carry information to and from tiny cameras.
A.
True
B.
False

Answer 8

50. true, but i'm not positive
51. True
52. False
53. False
54. I'm not sure
55. I don't know
56. True
57. True, but i'm not positive
58. False (not positive)
59. True
60. False

Answer 9

29.
What does a ‘0’ mean in binary code?
A.
A switch is set so that an electrical charge can flow.
B.
There is data at this digit’s location.
C.
A switch is set so that an electrical charge cannot flow.
D.
There is no data at this digit’s location.
Points Possible:2.00
30.
The US Army computer ENIAC, created in 1945, was
A.
over 20 tons and made with vacuum tubes.
B.
small enough to fit easily on a desk.
C.
the first computer to use microprocessors.
D.
none of these
Points Possible:2.00
31.
Which of these is not a name for a bone in the eardrum?
A.
the stirrup
B.
the drumhead
C.
the hammer
D.
the anvil
Points Possible:2.00
32.
Why do sounds coming from an object moving away from you sound lower in pitch?
A.
Because the object is moving away, the sound waves are closer together.
B.
Because the object is moving away, the sound waves are farther apart.
C.
Because the object is moving away, the sound waves have a greater amplitude.
D.
Because the object is moving away, the sound waves have a lesser amplitude.
Points Possible:2.00
33.
Through which substance will sound travel most quickly?
A.
salt water
B.
ice
C.
fresh water
D.
air
Points Possible:2.00
34.
Using sound to find objects is called what?
A.
echolocation
B.
sound finding
C.
ultrasonic typing
D.
wave location
Points Possible:2.00
35.
What is the speed of light in a vacuum?
A.
300,000,000 meters per second
B.
200,000 miles per hour
C.
300,000 kilometers per hour
D.
250,000 miles per second
Points Possible:2.00
36.
Radiation is energy that travels in what form?
A.
electromagnetic rays
B.
electromagnetic waves
C.
surface waves
D.
mechanical waves
Points Possible:2.00
37.
Which type of light travels at the fastest speed?
A.
none of these
B.
ultraviolet light
C.
infrared light
D.
visible light
Points Possible:2.00
38.
Red objects absorb what kind of light?
A.
only red light
B.
all non-red light
C.
only blue light
D.
only green light
Points Possible:2.00
39.
How is a convex mirror shaped?
A.
It is wavy.
B.
It is flat.
C.
It is curved inward.
D.
It is curved outward.
Points Possible:2.00
40.
Which of the following can cause colorblindness?
A.
corneas that do not allow specific colors through
B.
rod cells that do not detect specific colors
C.
cone cells that do not detect specific colors
D.
All of these cause colorblindness.

Answer 10

can you help with these too if not I ll still give you your medal

Answer 11

29. C
30. Idk
31. B.
32.
33. A.
34. A.
35. A.
36. B.
37. A. light travels at the same speed.
38. A. it reflects red light.
39. C
40. D. (im not positive)