Baseball!. Yet another way to review for the KCCT test. Question . The diagram below shows a simple food web. Which animal is classified as an omnivore? a. red fox b. deer c. black bear d. rabbit. Question .
Yet another way to review for the KCCT test
Which animal is classified as an omnivore?
a. red fox
c. black bear
The picture shows the circular path of a toy plane being swung around on a string. What path would the toy take if the string broke?
A ball is dropped into the still water of a child’s swimming pool. Which of the following describes the transfer of energy involved?
bottom with no movement of water.
D. The sound energy released from the ball will cause water to splash out of the pool.
Students in a science class placed ice cubes in a cup. They were studying variables that affect how long it takes the ice to melt.
Select the variable that would most likely NOT affect the time it takes the ice to melt.
1. size of cup
2. size of the ice cube
3. number of students
4. temperature of the room
The atomic number of magnesium is 12. Its nucleus must contain
A. 6 protons and 6 neutrons.
A student added a small ball to a graduated cylinder containing 10 mL of water.
Which of the following diagrams best represents the relationship between galaxies, the universe, and solar systems?
The terms gas exchange, diaphragm, and inhale are most closely associated with which system in the human body?
Which of the following statements is true about atoms?
A. Atoms only vibrate in living things.
B. Atoms vibrate only in living things and in once-living things.
C. Atoms only vibrate in non-living things.
D. All atoms in all substances vibrate.
a. the can of regular soda is less dense than the can of diet soda
b. The can of regular soda is more dense than the can of diet soda
c. The can of regular soda has more volume than the can of diet soda.
d. The can of regular soda has a small volume than the can of diet soda.
At convergent plate boundaries of oceanic and continental crust
A. oceanic crust is subducted.
B. continental crust is subducted.
C. oceanic crust is created.
D. no associated volcanism occurs.
A cup of water at 40oC and a cup of water at 5oC are left on a table. Which graph correctly shows the temperature of the two cups of water as time passes?
The praying mantis is a predatory insect that often eats moths. The graph below shows the relative numbers of two species of moths over 12 weeks after the introduction of the predatory praying mantis.
What characteristics of this ecosystem is best indicated from this graph?
A. Species B was preferred as food over species A.
B. Species B may replace species A in this environment.
C. Species B will reproduce more rapidly than species A.
D. Species B was more abundant at the beginning of this time period
than species A.
The bones of a whale flipper are similar to the bones of a bat wing as shown in the illustration below.
Transpiration is a vital part of the water cycle. It is a part of
The chart below shows a part of Mohs hardness scale for minerals.
. The elements on the left hand side of the Periodic Table are
D. all gases.
To test a theory, Tommy set out two beakers in a room that measured 220o C. In one beaker he poured 50 mL of water at 100oC and in the other he poured 50 mL of water at 800o C. He hypothesized that in 24 hours the water at 800o C would be at 220o C, but the water at 100oC would have stayed the same. Which of the following is correct?
A. Tommy was correct, one was at 100oC, the other was
at 220o C.
B. Tommy was wrong, both were at 220o C.
C. Tommy was wrong, neither had changed.
D. Tommy was wrong, one was at 220oC, the other was
closer to 500o C.
The number of chromosomes in a sex cell is
A. double the number of chromosomes found in body cells.
B. triple the number of chromosomes found in body cells.
C. one half the number of chromosomes found in body cells.
D. one third the number of chromosomes found in body cells.
Which is NOT a characteristic of the modern atomic model?
A. Electrons surround the nucleus.
B. An atom is neutral.
D. The nucleus is positively charged.
Describe the energy transformations that occur in a portable CD player.
A. nuclear to electrical to mechanical
B. electrical to chemical to sound
C. chemical to electrical to sound
D. heat to electrical to sound
If the spring is pulled 3.5 cm, the spring should read
A. 12 N B. 13 N C. 14 N D. 15 N
Which of the following best describes an atom?
A piece of pine wood floats on the surface of the lake because the water exerts
Which equation shows that the total mass during a chemical reaction stays the same?
a. 1 b. 2 c. 3 d. 4
The table below shows the pH and reaction to litmus of four body fluids.
The inheritance of a trait in humans can best be determined by
A mineral supplement designed to prevent the common cold was given to two groups of people during a scientific study.
After 8 weeks neither group reported a case of the common cold. Which of the following would have made the outcome of this study more valid?
Which of the following structures is not found in bacteria?
L 1 2
l 3 4
Based on the PS above, a child with attached earlobes is indicated in box
A. 1 B. 4 C. 2, 3 D. 1, 2, 3
How is natural selection in the evolution of long-necked giraffes best explained?
The purpose for giving a person a vaccine is to
In most stable freshwater environments populations of Daphnia are almost entirely female and reproduce asexually. However, males are observed in low oxygen environments or when food is scarce. Based on these observations, a researcher suggests that male Daphnia develop in response to unfavorable environmental conditions. This is an example of a
Eukaryotic cells are differentiated from prokaryotic cells because eukaryotic cells
a. Are much smaller.
b. Have permeable membranes.
c. Have a higher rate of reproduction.
d. Have nuclei.
Rabbits introduced into Australia over 100 years ago have become a serious pest to farmers. Rabbit populations increased so much that they displaced many native species of plant eaters. What is the most logical explanation for their increased numbers?
Complete burning of plant material returns carbon primarily to the
A healthy individual is a carrier of a lethal allele but is unaffected by it. What is the probable genotype of this individual?
Earth has undergone some catastrophic changes from time to time. Which of these most likely explains why life on Earth continued following these catastrophes?