WorksheetsNJ ASK TEST
Total questions: 25
Worksheet time: 50mins
Name
Class
Date
1.
Which of the following cell structures is responsible for giving you energy to run?
a)
cell membrane
b)
mitochondria
c)
nucleus
d)
ribosome
2.
Which organelle is not found in animal cells?
a)
lysosome
b)
endoplasmic reticulum
c)
chloroplast
d)
cell membrane
3.
Which organism is most likely to have the most different kinds of cells?
a)
euglena
b)
amoeba
c)
earthworm
d)
bacteria
4.
A wolf's body cells each have 78 chromosomes. How many chromosomes does a wolf's sperm or egg contain?
a)
76
b)
39
c)
19.5
d)
156
5.
What most accurately describes the relationship of photosynthesis and cellular respiration?
a)
Glucose and carbon dioxide are used in both reactions
b)
The input materials for photosynthesis are the same materials needed for cellular respiration
c)
The two reactions are the same, but one is for plants and the other is for animals
d)
The products of photosynthesis are recycled through cellular respiration
6.
Which event would most likely result in a population of shorebirds evolving, rather than becoming extinct?
a)
A hurricane suddenly submerges the birds' only breeding ground
b)
A new disease crosses over from a different species of bird
c)
Global warming gradually causes the local vegetation to change
d)
The birds' only winter nesting site is destroyed to build a new marina
7.
People manipulate the environment in many ways. What would happen if people chopped down a forest that was the only suitable habitat for a rare species of owls?
a)
The owls would survive with no adaptation
b)
The owls would thrive in another type of forest
c)
The owls would adapt to life without forest cover
d)
The owls would quickly become extinct in the wild
8.
Which of these is a balanced chemical equation?
a)
CO2 + H2 0 = C6 H12O6 + O2
b)
2NO + O2 = 2 NO2
c)
Fe + H2 0 = 3H2 +H2 0 + Fe2 O3
d)
CH2 S + F2 = CF4 + 2HF +SF6
9.
Matt carefully pours a liquid into a test tube that contains a powder. He notices bubbling as the powder dissolves and the test tube feels cold. What happened?
a)
The reaction formed a solid
b)
The reaction absorbed energy
c)
The reaction released heat
d)
The reaction created new atoms
10.
Which of these is a chemical change?
a)
freezing water
b)
dissolving sugar in water
c)
burning wood
d)
heating a metal pot
11.
The atomic number of oxygen (O) is 8. The mass number of one of its isotopes is 18. How many neutrons are in the isotope?
a)
8
b)
12
c)
10
d)
18
12.
If a reaction produces 6 oxygen molecules and 8 hydrogen molecules, how many hydrogen molecules must have been in the reactant?
a)
8
b)
6
c)
16
d)
12
13.
Magnesium, an alkaline earth metal, is in column 2 of the periodic table. Why would it react in a similar manner to other elements in this column?
a)
It has the same average atomic mass as other elements in the column
b)
It has the same number of valence electrons as other elements in the column
c)
It has the same atomic number as other elements in the column
d)
It has the same number of neutrons but a different number of electrons as other elements in the column
14.
Matter that has a definite volume but no definite shape is a?
a)
solid
b)
liquid
c)
gas
d)
plasma
15.
A student reads about a material with the following characteristics. The substance is brittle, a poor conductor of heat and electricity, is black in color, and has a low melting point. Which of the following is the most logical conclusion as to what this material may be?
a)
It is a gas
b)
It is a liquid
c)
It is a nonmetallic solid
d)
It is a metallic solid
16.
In which of the following do the molecules have the least kinetic energy?
a)
a pan of hot oil
b)
a pitcher of lemonade
c)
a frozen popsicle
d)
a cup of warm water
17.
A particle that has a negative charge and is found outside the nucleus of an atom is?
a)
an angstrom
b)
a neutron
c)
a proton
d)
an electron
18.
Which of the following can be both a destructive and a constructive force on Earth's surface?
a)
weathering
b)
tsunami
c)
erosion
d)
volcano
19.
Ammonite fossils are commonly found in rocks more than 100 million years old. They are not found in any younger rocks. What is the most likely reason for this?
a)
Ammonites began living in the ocean about 100 million years ago.
b)
All the ammonites stopped dying in the sediments
c)
Ammonites became extinct about 100 million years ago
d)
Ammonites became too small to see
20.
The fossil shown above was found in the middle of a desert. It is an ichthyosaur which is a type of ancient sea reptile. What is the most likely explanation for the fossils location?
a)
The fossil is a hoax
b)
The ichthyosaur must have been able to walk on land
c)
The desert was once covered with water
d)
The fossil was moved to its current clocation by wind erosion
21.
The lowest tide of any given lunar cycle occurs during
a)
low tide and spring tide
b)
high tide and neap tide
c)
high tide and spring tide
d)
low tide and neap tide
22.
The length of the lunar cycle is determined by the amount of time it takes
a)
Earth to complete one revolution around the sun
b)
the Moon to complete one revolution around Earth
c)
Earth to complete one rotation about its axis
d)
The Moon to complete one revolution around Sun.
23.
Which of these is most responsible for Earth's having more hours of daylight in summer than in winter?
a)
Earth's revolution
b)
Earth's orbit
c)
Earth's shape
d)
Earth's tilt
24.
One factor responsible for seasons is
a)
Earth's rotation on its axis
b)
Earth's revolution around the Sun
c)
the shape of Earth's orbit
d)
the distance of Earth from the Sun
25.
Which shows the order of layers from least to most dense?
a)
outer core, inner core, crust, mantle
b)
mantle, crust, inner core, outer core
c)
crust, mantle, outer core, inner core
d)
inner core, crust, mantle, outer core
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