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Worksheets

Leap review 2016

Total questions: 51

Worksheet time: 26mins

Name
Class
Date
1.

If a high pressure system sits over the land, what type of breeze is created?

a)

solar breeze

b)

land breeze

c)

sea breeze

d)

lunar breeze

2.
Carbonic acid has affected the limestone in this statue. What type of weathering has occurred?
a)
mechanical
b)
erosional
c)
release of pressure
d)
chemical
3.
Which of the following is the variable in an experiment that you manipulate?
a)
controlled
b)
independent
c)
dependent
d)
biased
4.
What is the formula for finding density?
a)
Mass x volume
b)
Mass divided by volume
c)
volume divided by mass
d)
M=D/V
5.
At which position does the ball have maximum potential energy?
a)
A
b)
B
c)
C
d)
D
6.
A cell phone battery dies. It gets plugged into an electrical outlet to recharge. Which of the following energy transformations occur during the charging?
a)
mechanical to chemical
b)
electrical to mechanical
c)
electrical to chemical
d)
solar to chemical
7.
Which of the following are biotic factors in an ecosystem?
a)
Sun, plants, water
b)
air, water, Sun
c)
grasses, worms, birds
d)
mouse, snake, water
8.
When photosynthesis occurs, which energy compound is formed for the plant?
a)
carbon dioxide
b)
electrolyte
c)
glucose
d)
oxygen
9.
What stage do insects that go through complete metamorphosis have, that insects in incomplete metamorphosis don't have?
a)
larva, pupa
b)
egg, adult
c)
nymph
d)
egg, larva
10.
How many valence electrons does chlorine have?
a)
1
b)
3
c)
5
d)
7
11.
Each element in the periodic table has its own unique number of ...
a)
protons
b)
neutrons
c)
energy levels
12.
The element copper is made up of ?
a)
copper and nickle atoms
b)
copper atoms
c)
nickle atoms
d)
metal
13.

If R is the dominate allele for a trait, what would the genotype of a homozygous recessive individual look like?

a)

Rr

b)

rr

c)

RR

d)

all of these

14.
An example of a physical adaptation...
a)
spikes on a porcupine fish 
b)
turtle hiding in shell
c)
rabbit burrow underground
d)
snake biting when threatened
15.

Which adaptation would not help a hawk catch a mouse?

a)

talons

b)

hollow bones

c)

camoflauge

d)

keen eye sight

16.
What would happen if the owl population in the food web doubled?
a)
Birds population would increase
b)
rabbits would decrease
c)
mice population would decrease
d)
grains would decrease
17.

The layers of the Earth with fluid like properties are ...

a)

mantle, inner core

b)

crust and mantle

c)

outer and inner cores

d)

mantle, outer core

18.
Which layer is the youngest?
a)
Layer E
b)
Layer C
c)
Layer D
d)
Layer B
19.
If the distance between two objects doubles, what happens to the force of gravity?
a)
decreases to one fourth of original value
b)
increases one fourth of the original value
c)
remains the same
d)
doubles
20.
The fossil record shows all of the following except...
a)
past environments
b)
past climates
c)
fossils of extinct organisms
d)
genes of extinct organisms
21.
Comparing inner and outer planets, the inner planets are ...
a)
rocky and more massive
b)
rocky and more dense
c)
gaseous and more massive
d)
gaseous and more dense
22.
Which planet is labeled F?
a)
Mercury
b)
Earth
c)
Jupiter
d)
Saturn
23.
What season is it in the Northern hemisphere?
a)
Spring
b)
Summer
c)
Fall 
d)
Winter
24.
What phase of the moon is in the picture?
a)
wanning gibbous
b)
waxing crescent
c)
wanning crescent
d)
waxing gibbous
25.
Eclipse?
a)
solar
b)
lunar
26.

Cell division when 2 identical cells are produced.

a)

meiosis

b)

interphase

c)

mitosis

d)

anaphase

27.

The life cycle stages of a star are dependent on the star's ___________.

a)

gravity

b)

mass

c)

density

d)

amount of oxygen

28.
Which of the following is an example of a  prokaryotic cell?
a)
animal
b)
plant
c)
bacteria
d)
euglena
29.
The two structures found in plant cells that are not found in animal cells are...
a)
mitochondria, cell membrane
b)
cell wall, mitochondria
c)
cell wall, chloroplasts
d)
chloroplasts, mitochondria
30.
What two objects affect the tides on Earth?
a)
Earth and Moon
b)
Moon and Mars
c)
Sun and Moon
d)
Sun, Moon and Earth
31.
Type of rock that forms from crystallization of magma or...
a)
sedimentary
b)
metamorphic
c)
igneous
d)
fire rock
32.
All the hawks in an ecosystem would be a ....
a)
population
b)
community
c)
species
d)
abiotic factors
33.
The reason Earth has more gravitational pull than Mars on the Moon.
a)
Earth has more mass and is farther from the Moon
b)
Earth has less mass and is farther from the Moon
c)
Earth has more mass and is closer
d)
Mars has more mass and is farther
34.
Mountain building occurs at ...
a)
transform boundaries
b)
convergent boundaries
c)
divergent boundaries
d)
strike slip faults
35.
The Earth's magnetic field is strongest
a)
at the poles
b)
at the equator
c)
at the southern hemisphere
d)
at the northern hemisphere
36.
When water changes from ice to water vapor.
a)
condensation
b)
evaporation
c)
precipitation
d)
sublimation
37.
Land formation created by a transform boundary.
a)
fault
b)
mountains
c)
mid ocean ridge
d)
earthquake
38.

What would happen if Earth's speed decreased during its revolution? Remember, gravity and inertia keep the planets in their orbit.

a)

It would fly off into space

b)

Inertia would increase

c)

Sun's gravity would pull us towards it

d)

It would remain in its natural orbit

39.
The grasses in a food web represent...
a)
primary consumer
b)
producers
c)
secondary consumer
40.
Which of the following is the driving force for the water cycle?
a)
Earth's heat
b)
Sun's energy
c)
Phases of matter
d)
The Earth's oceans
41.
1.  C-14 and N-14 have the same atomic mass. How are these 2 atoms different?
a)
same element, different # of electrons
b)
different # of protons
c)
negative ions
d)
number of electrons
42.
What will happen if you remove one of the light bulbs in this circuit?
a)
all will go out
b)
the other two bulbs will get dim
c)
the other two will get brighter
d)
one of the other lights will go out
43.
What type of boundary is in the picture?
a)
transform
b)
convergent
c)
divergent
d)
shearing
44.
What are the genotypes of the parents?
a)
Yy, yy
b)
YY, Yy, yy
c)
half yellow, half green
d)
All green
45.
How did Hawaii form?
a)
Convergent boundary at a subduction zone
b)
As the Pacific plate moves over a hot spot
c)
at a divergent boundary in the Atlantic ocean
d)
Due to the transform boundary by California
46.
How many half lives will pass when you have equal amounts of the radioactive element and the daughter isotope?
a)
0 half lives
b)
1 half life
c)
2 half lives
d)
3 half lives
47.

In a monohybrid cross, one of the parents is purebred for the dominant trait. What is the probability of the offspring to have the dominant phenotype?

a)

0%

b)

25%

c)

50%

d)

100%

48.

The Ring of Fire contains most of the Earth's volcanic and earthquake activity. What is the reason for this occurrence?

a)

it surrounds an ocean

b)

tectonic plate boundaries

c)

it's where scientists have seismographs located

d)

many hot spots

49.

Which of the following has definite volume but no definite shape?

a)

solid

b)

liquid

c)

gas

d)

block of wood

50.

Which of the following states that in undisturbed rock layers the oldest layers lies beneath the younger layer?

a)

continental drift theory

b)

tectonic plate theory

c)

law of superposition

d)

Newton's 3rd law

51.

Which 2 forces change the Earth's surface?

a)

The mantle and outer core

b)

The Sun and the moon.

c)

Erosion and deposition

d)

Gravity and inertia

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