EOY 5
A student poured some water in a glass beaker. The temperature of the Water was 30°C. The student then began heating the water and recording the change in the temperature of the water. The temperature of the water increased until it reached 110°C. The water then started to boil. As the student continued heating the water until most of it boiled off, the temperature of the water remained 110°C. DURING boiling, the temperature of the water
did not change.
The lungs perform which function in humans?
A. digest of food
B. delivery of oxygen from air
C. control of behavior
D. pumping of blood
B. delivery of oxygen from air.
The cells that carry information through the human nervous system are called
a. neurons
b. synapses
c. dendrites
d. antibodies
a. neurons
What will happen if a bar magnet is cut into two unequal pieces?
a. the longer piece will continue to be magnetic, and the shorter piece will stop being magnetic.
b. The longer piece will stop being magnetic, and the shorter piece will continue to be magnetic.
c. Both pieces will stop being magnetic.
d. Both pieces will continue to be magnetic.
d. Both pieces will continue to be magnetic.
Which energy source is non renewable
a. wind
b. solar
c. natural gas
d. hydroelectric
c. natural gas
Is boiling of water a chemical or physical change?
A. Chemical change, because the water undergoes a chemical reaction
B. Chemical change, because the water is destroyed
C. Physical change, because the water undergoes a change in its physical form
D. Physical change, because the water releases energy
C. Physical change, because the water undergoes a change in its physical form
The fire triangle shows the three things necessary to start and maintain most fires.<br>What part of the fire triangle is missing?
A. hydrogen
B. matches
C. oxygen
D. water
B. matches
In which of earths spheres would a lake be found?
a. ionosphere
b. atmosphere
c. lithosphere
d. hydrosphere
D. hydrosphere
What percentage of Earth's surface is covered with water?
a. 95
b. 71
c 50
d 18
B 71
Which planet takes the most time to complete one orbit around the Sun?
a. Uranus
b. earth
c. Jupiter
d. mercury
c. jupiter
Water is made of hydrogen and which other element?
A. Sulfur
B. chlorine
C. oxygen
D. phosphorus
C. oxygen
A chemist discovers a new chemical reaction, and wants to publish the study in a chemistry journal. The journal's publisher will most likely
A. accept the study for publication without review.
b. get the study reviewed by physicists.
c. get the study reviewed by other chemists.
d. get the study reviewed by biologists.
c. get the study reviewed by other chemists.
The ph of the saliva in the mouth of a healthy person is closest to
A.1
B.3
C.7
D.12
C.7
Where is most of an atom's mass located?
a. ion
b. nucleus
c. proton
d. neutron
b. nucleus
What is the flow of water through a cell membrane called?
a. osmosis
b. meiosis
c. respiration
d. photosynthesis
a. osmosis
In an ecosystem, which of these is not recycled?
a. water
b. energy
c. carbon
d. nitrogen
b. energy
All of the following are types of sedimentary particles "EXCEPT"
a. clay
b. sand
c. silt
d. moss
D. moss
In which body part is voluntary muscle found?
a. heart
b. arm
c. Stomach
d. small intestine
B. Arm
A tissue is best described as a group of
a. cells
b. organs
c. organisms
d. organelles
a. cells
Hail comes from which cloud type
a. Cirrocumulus
b. Cumulonimbus
c. Altostratus
d. Altocumulus
b. Cumulonimbus
water is made up of hydrogen and which other element?
a. oxygen
b. air
c. water
d. oxymoron
A. oxygen
When sugar and salt are mixed what will most likely happen?
a. The sugar will not retain its properties but the salt will.
b. The sugar will retain its properties but the salt will not.
c. Neither the sugar nor the salt will retain their properties.
d. Both the sugar and the salt will retain their properties.
d. Both the sugar and the salt will retain their properties.
What happens to an atom when it loses an electron?
a. It becomes a positively charged ion.
b. It becomes a negatively charged ion.
c. It forms a hydrogen bond.
d. It forms a covalent bond.
a. It becomes a positively charged ion.
When an object is accelerating, what is happening?
a. The object is moving at a constant speed.
b. The object is not moving at all.
c. The object is experiencing perfectly balanced forces.
d. The object is experiencing an unbalanced force.
d. The object is experiencing an unbalanced force.
Which material is a chemical compound?
a. rust
b. copper
c. mercury
d. aluminum
a. rust