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WorksheetsiLEAP prep
Total questions: 45
Worksheet time: 31mins
Name
Class
Date
1.
Erosion helps move ___________ from one place in order to deposit it someplace else.
a)
sediment
b)
transform
c)
erosion
d)
weathering
2.
What is an earthquake?
a)
A sudden movement of the Earth's crust caused by a release of stress accumulated along geological faults or by volcanic activity.
b)
a. energy that builds up inside a volcanic mountain
c)
a. energy being released when erosion occurs
d)
a. molten rock pushing up through Earth's surface.
3.
what are 3 agents of depostion
a)
water, wind, ice
b)
ice, water, sand
c)
soild, liquid, and gas
d)
wind, ice, glacier
4.
After a full moon, the moon starts to become less illuminated. What do we call this?
a)
Waxing
b)
Power outage
c)
Waning
d)
Apocalypse
5.
A tree seed fell between these rocks. What happened?
a)
the tree roots cracked the rock
b)
the rock absorbed the tree
c)
the tree died
d)
the rock will turn to dirt
6.
A decomposer?
a)
Eats dead plants or animals and breaks down to put nutrients in the soil
b)
Eats plants or other animals for food
c)
Makes its own food
d)
Machine that gathers trash
7.
What level consumer could you consider the deer?
a)
Primary
b)
Secondary
c)
Tertiary
d)
Quarternary
8.
Which of the following is a herbivore?
a)
cricket
b)
frog
c)
hawk
d)
shrew
9.
Which of the following statements correctly identifies a predator-prey relationship in this food web?
a)
the herring is the predator and the tuna is its prey
b)
the blue crab is the predator and the sea otter is its prey
c)
the shark is the predator and the tuna is its prey
d)
the baleen whale is the predator and the killer whale is its prey
10.
Is a small structure that does a certain job in a cell
a)
organelle
b)
cytoplasm
c)
nucleus
d)
organ
11.
The organ system consisting of the heart and blood vessels that move through the body.
a)
circulatory system
b)
nervous system
c)
muscular system
d)
respiratory system
12.
Is an animal with a backbone
a)
vertebrate
b)
invertebrate
13.
Why are there so many different types of cells in multicellular organisms?
a)
Humans are relatively big
b)
Humans are heterotrophs
c)
Cells in multicellular organisms are specialized to complete different tasks or functions within the organism
d)
Cells in multicellular organisms are similar and complete only the same tasks or functions within the organism
14.
Where do plants receive the energy necessary to carry out photosynthesis?
a)
Heat from the sun
b)
Gamma radiation
c)
Light from the sun
d)
Wind
15.
What is the main difference between the offspring produced by sexual reproduction and asexual reproduction?
a)
Offspring produced sexually receive genetic material from one parent.
b)
Offspring produced by sexual reproduction receive genetic material from two parents.
c)
Offspring produced by sexual reproduction receive genetic material from two parents.
d)
Asexual and sexual reproduction are the same thing.
16.
All of the nonliving factors in an ecosystem are _____________ factors.
a)
biotic
b)
abiotic
17.
Which of these is an inherited trait?
a)
a broken wing
b)
knowing where to find a bird feeder
c)
a scar
d)
the shape of a birds beak
18.
How many Hydrogen atoms in H2O?
a)
1
b)
2
c)
3
d)
4
19.
What charge does an electron have?
a)
positive
b)
negative
c)
neutral
20.
Which item below is the most dense?
a)
A. Ping Pong Ball
b)
B. Lamp Oil
c)
C. Bolt
d)
D. Corn Syrup
21.
The picture above shows a large box being pushed by two men. The box did not change its position in the room because…
a)
A. The opposing forces were balanced
b)
B. The smooth floor created no friction
c)
C. The man on the left side applied more force than the man on the right side.
d)
D. The man on the right side applied more force than the man on the left side.
22.
Which term refers to an object's tendency to resist a change in it's motion?
a)
resistance
b)
stubborn
c)
inertia
d)
acceleration
23.
Which of the following is an indication that a chemical change has taken place?
a)
the shape changes
b)
the substance dissolved
c)
a gas was produced
d)
none of the above
24.
Which state of matter has neither a definite shape nor a definite volume?
a)
solid
b)
liquid
c)
gas
25.
What is the volume of the fish?
a)
18.0 cm3
b)
6.0 cm3
c)
38.0 cm3
26.
__________ force opposes the motion of an object and slows the object down.
a)
Applied
b)
Normal
c)
Friction
d)
Gravitational
27.
An object at rest will stay at rest and an object in motion will remain in motion unless acted upon by an unbalanced force.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
28.
What is the net force on the object?
a)
10 N right
b)
500 N right
c)
950 N right
d)
50 N left
29.
What is the name of the reaction in which energy is released?
a)
exothermic
b)
endothermic
c)
physical
d)
chemcial
30.
Frank jumps into a raft in his pool. As he jumps, he moves forward as the raft moves in the opposite direction. Which answer best describes the correct answer.
a)
The 1st law because a body at rest tends to stay at rest
b)
The 3rd law because for every action there is an equal and opposite reaction
c)
The 2nd law because as the mass increases so does the force
d)
The 4th law because I was not paying attention in class when we went over this topic.
31.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
32.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
33.
A force is a _________ or a ___________.
a)
color sound
b)
electricity pull
c)
push pull
d)
push work
34.
Which word means a wave changes or bends as it enters a new medium?
a)
Reflection
b)
Refraction
c)
Standing wave
d)
Diffraction
35.
The highest point of a transverse wave is called the:
a)
Crest
b)
Trough
c)
Wavelength
d)
Amplitude
36.
What phase change is demonstrated when a substance is changed from a gas to liquid?
a)
freezing
b)
vaporization
c)
condensation
d)
sublimation
37.
What is the most reasonable conclusion that can be made?
a)
Cork has the lowest density
b)
Water is less dense than oil
c)
Cork is less dense than water but more dense than oil
d)
Water is less dense than both the cork and the oil
38.
A student has a mixture of pepper flakes and iron filings. She wants to separate them. Which method would be the fastest and easiest?
a)
Pick out the pepper flakes with a tweezer.
b)
Add water to dissolve the pepper.
c)
Use a magnet to pull out the iron filings
d)
Use a screen to separate each item
39.
All of these are true about sound EXCEPT
a)
sound travels fastest through solids
b)
sound is a type of energy
c)
sound is vibrations
d)
sound travels fastest through gas
40.
Which 2 tools would be most useful in testing how the mass of an object affects the distance it moves after being pushed?
a)
spring scale and hot plate
b)
balance scale and meter stick
c)
graduated cylinder and beaker
d)
magnet and thermometer
41.
A hydroelectric power plant generates electricity by using what?
a)
blowing wind
b)
moving water
c)
organic materials
d)
earth's core
42.
Which is not an example of renewable or an alternative energy resource?
a)
Geothermal
b)
Natural gas
c)
Hydropwer
d)
Biomass
43.
Which statement is true about the diagram?
a)
The pulling force of friction will make the sphere roll down the ramp.
b)
The pulling force of gravity will pull the sphere down the ramp.
c)
The pulling force of magnetism will pull the sphere down the ramp.
d)
The pushing force of wind will pull the sphere down the ramp.
44.
Conservation of Matter is...
a)
When matter changes state, the total amount of matter is different.
b)
When matter changes, the mass stays the same.
c)
When matter changes into a liquid, the mass decreases.
d)
When matter changes into a solid, the mass increases.
45.
The three states of matter are
a)
Evaporation, Condensation, and Rusting
b)
Solid, Liquid, and Gas
c)
Physical, Chemical, and Property
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