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WorksheetsNCFE review
Total questions: 30
Worksheet time: 43mins
Name
Class
Date
1.
A violent, dangerous, rotating column of air that is in contact with both the surface of the earth and a cloud.
a)
Hurricane
b)
Tornado
c)
Thunderstorm
2.
When warm and cold air meet, which one sinks to the bottom?
a)
warm
b)
cold
c)
both
d)
neither
3.
What happens if a hurricane moves over land or cold ocean water?
a)
it will get stronger
b)
it will get weaker
c)
it will upgrade its category
d)
it will morph into a typhoon
4.
What are greenhouse gases?
a)
gases that cause climate change
b)
gases that emit green smoke
c)
gases that are used to make green colored glass
5.
The main human activity that releases greenhouse gases is
a)
using bottled water
b)
burning fossil fuels
c)
texting on cellphones
d)
eating meat
6.
Flagpole
a)
wedge
b)
pulley
c)
incline plane
d)
wheel and axle
7.
Stairs
a)
wedge
b)
pulley
c)
inclined plane
d)
wheel and axle
8.
Consists of two or more simple machines.
a)
multiple machine
b)
compound machine
c)
duplex machine
9.
What does friction produce?
a)
light
b)
sound
c)
heat
d)
gravity
10.
The tendency of an object to resist changes in its motion is...
a)
inertia
b)
force
c)
acceleration
d)
velocity
11.
Any push or pull on an object.
a)
force
b)
velocity
c)
inertia
d)
momentum
12.
Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.
a)
23, 46
b)
46, 23
c)
2, 4
d)
50, 100
13.
In asexual reproduction, all of the offspring are:
a)
Physically Identical
b)
Genetically Identical
c)
Physically and Genetically Identical
d)
Not Identical
14.
How many parent(s)are needed for asexual?
a)
4
b)
1
c)
9
d)
100
15.
Which of the following is homozygous dominant?
a)
Yy
b)
Y
c)
yy
d)
YY
16.
Which of the following is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
17.
How many alleles (letters) do each person carry for a trait?
a)
1
b)
2
c)
3
d)
4
18.
G = green, g = yellow
The genotype for a yellow plant is...
The genotype for a yellow plant is...
a)
GG
b)
Gg
c)
gg
d)
all of the choices result in yellow
19.
T - tall and t = short
In the punnett square below, what belongs in the missing square
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
20.
Which system are the lungs in?
a)
respiratory
b)
digestive
c)
excretory
21.
Which system is the stomach in?
a)
respiratory
b)
digestive
c)
nervous
22.
What blood vessels take blood away from the heart after oxygen is addels
a)
veins
b)
arteries
c)
capillaries
23.
Where does digestion start?
a)
stomach
b)
mouth
c)
esophagus
24.
Which muscles are attached to bones and provide assistance for movement?
a)
skeletal
b)
smooth
c)
cardiac
25.
Where do two or more bones meet?
a)
tendons
b)
ligaments
c)
joints
26.
The smallest units or parts of living things; the body's building blocks.
a)
cells
b)
organs
c)
tissues
d)
system
27.
A collection of the same kinds of cells working together to do the same job.
a)
cells
b)
tissues
c)
organs
d)
system
28.
What is the main job of the digestive system?
a)
break down foods into nutrients that can be used by the body
b)
take in oxygen and exhale waste like caron dioxide
c)
pump blood throughout the body
29.
What is the main function of the respiratory system?
a)
take in oxygen and exhale waste like carbon dioxide
b)
move nutrients throughout the body
c)
take in carbon dioxide and exhale oxygen
30.
Which runner stopped for a rest?
a)
Albert
b)
Bob
c)
Charlie
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