HollyA

15 Questions
0 Answers

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765

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HollyA

The diagram below shows a mass suspended on a string called a pendulum. What energy transformation occurs as the mass moves from point A to point B? A.Kinetic energy is converted to potential energy
B.Potential energy is converted to kinetic energy lee mas ..

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HollyA 17 may 2017

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689

0

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HOLLYA

Which of the following prenatal activities could lead to low birth weights and higher frequencies of developing asthma?
A.Eating fast food 3 times a week
B.Smoking
C.Walking 2 miles a day lee mas ..

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HollyA 17 may 2017

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712

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Hollya

Which best explains why sexual reproduction produces greater variations in the offspring?
A.The DNA comes from two genetically different parents
B.The DNA comes from one parent that is genetically identical
C.The s*x cells are produced lee mas ..

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HollyA 17 may 2017

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679

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HollyA

If a tall plant (TT) is crossed with a short plant (tt), all of the offspring will be:
A.Tall
B.Short
C.Medium lee mas ..

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HollyA 17 may 2017

+1

1434

3

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HollyA

How do materials move in and out of plant cells and animal cells?
A.Plant cells and animal cells have cilia
B.Plant cells and animal cells have a cell wall
C.Plant cells and animal cells have a flagella lee mas ..

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HollyA 16 may 2017

+1

1073

5

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HollyA

Which characteristic do volvox and euglena share?
A.They both have eye spots
B.They both use flagella to move
C.They both have eye spots and use flagella to move lee mas ..

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HollyA 16 may 2017

+1

701

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HollyA

A dog runs for 2 seconds without stopping. After 1 second, the dog travels 6 meters. By the end of the next second, the dog has traveled an additional 4 meter. Which best describes the motion of the dog during the two seconds?
a.The dog slows down lee mas ..

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HollyA 16 may 2017

+1

833

1

+12

HollyA

Why would the Environmental Protection Agency seek to monitor atmospheric pollution and air quality?
A.To make sure the air pressure remains constant over time
B.To make it rain in drought affected areas
C.To maintain the respiratory lee mas ..

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HollyA 16 may 2017

+1

751

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HollyA

What is most likely occurring if the land temperature near the beach is rising more rapidly than the ocean temperature?
A.A low pressure air mass is forming over the land while a high pressure air mass is forming over the ocean
B.Differences lee mas ..

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HollyA 16 may 2017

0

982

1

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HollyA

Which statement is false when a cold front collides with a warm front?
A.The front would stop, and the temperature would drop
B.The warm front would move overtop of the cold air producing light rain showers
C.The cold front would lee mas ..

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HollyA 16 may 2017

0

714

0

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HollyA

Why is the mesosphere colder than the troposphere?
A.Because the mesosphere is closer to the ground
B.Because the mesosphere contains ozone
C.Because the molecules in the mesosphere are spaced further apart lee mas ..

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HollyA 16 may 2017

+1

763

1

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HollyA

Simple Machine 1 is determined to have a greater mechanical advantage than Simple Machine 2 when moving an object. What can be concluded from this statement?
A.Simple Machine 1 can move the object further than Simple Machine 2 can
B.Simple lee mas ..

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HollyA 16 may 2017

+2

1003

1

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HollyA

Which statement is true about the work done in lifting a box?
a.Energy is transferred to the box from the lifter
b.Energy is transferred to the lifter from the box
c.The energy of the box remains constant lee mas ..

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HollyA 16 may 2017

+3

1384

1

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HollyA

Which best describes how forces must interact for a kite to sail up into the air?
a.The force of gravity must be equal to the force of wind
b.The force of gravity must be greater than the force of the wind
c.The force of the wind lee mas ..

HollyA 16 may 2017

+1

1377

2

+12

HollyA

A dog runs for 2 seconds without stopping. After 1 second, the dog travels 6 meters. By the end of the next second, the dog has traveled an additional 4 meter. Which best describes the motion of the dog during the two seconds?
a.The dog slows down lee mas ..

HollyA 15 may 2017