Earth's Science
Earth Science #2
Life Science
Life Science #2
Physical Science
100
The process where plants release water into the atmosphere, primarily through tiny pores on their leaves called stomata
What is Transpiration?
100
The process which occurs when the suns energy is transferred to individual water molecules causing them to leave the water's surface once they have absorbed enough energy
What is evaporation?
100
This pathogen reproduces both sexually and asexually, is a eukaryote, and produces spores
What is fungi?
100
Which of these is least likely to show common ancestry?
A. homologous structures
B. vestigial structures
C. DNA
D. analogous structures
What is B - analogous structure?
100
Chlorine is an element found in table salt. It contains 17 protons and 17 electrons. How many neutrons are found in a neutral atom of sodium?
A. 34
B. 17
C. 18
D. 71
What is C -18?
200
What effect does evaporation have on the salinity of ocean water?
What is evaporation increases the salinity of ocean water
200
The products of photosynthesis
What are glucose (C6H12O6/a type of sugar) and oxygen (O2)?
200
This pathogen is unicellular, has no membrane-bound organelles, is so small it can only be seen under a microscope
What is bacteria?
200
Which of the following would be an adaptation for survival in a desert?
A. an animal being active during the middle of the day
B. a bird having dark feathers that absorb sunlight as heat
C. a plant having a thick stem to store water
D. a plant having large leaves to gather sunlight
What is C - a plant having a thick stem to store water?
200
In an atom, this particle is the smallest
What is electron?
300
Ocean water near the poles is colder than near the equator because
What is the sunlight is more intense near the equator than at the poles?
300
The process by which cells break down food, like glucose, to produce energy/ATP (and CO2)
What is cellular respiration?
300
Similarity in embryological development among vertebrate species indicates what?
A. common ancestry
B. convergent evolution
C. adaptation of interiors
D. most species that have ever lived are now extinct
What is A - common ancestry?
300
Which of these is a behavioral adaptation?
A. swallows building nests out of mud
B. cactus plants having long spines
C. insects looking like leaves to blend in with real leaves
D. butterflies producing a foul-tasting chemical
What is C - insects looking like leaves to blend in with real leaves
300
A chemical reaction produces two new substances, and each product has a mass of 25 grams. What was the total mass of the reactants?
A. 25 grams
B. 50 grams
C. 75 grams
D. 100 grams
What is B - 50 grams?
400
Adding salt to water decreases the density of water - True or False
What is False?
400
The variables that are kept constant during an experiment to ensure that they do not affect the outcome
What is the control variable?
400
Which statement supports the theory of evolution?
A. All living things come from previous cells.
B. All plants and animals have DNA.
C. Matter cannot be created or destroyed during chemical reactions
D. Fossils provide evidence that vertebrates share a common ancestor.
What is D - Fossils provide evidence that vertebrates share a common ancestor?
400
Which of the following best describes natural selection?
A. Organisms compete for food and shelter.
B. Organisms produce more offspring than can survive.
C. Organisms vary in their physical traits, and some traits are inherited.
D. Organisms best suited to their environment are most likely to survive and reproduce.
What is D - Organisms best suited to their environment are most likely to survive and reproduce?
400
Which group has filled outer electrons?
A. Group 14
B. Group 13
C. Group 17
D. Group 18
What is D - Group 18?
500
Salt water will sink below fresh water because
What is salt water is denser than fresh water (salt dissolved in water increases its mass, therefore the salt water becomes more dense/heavier)?
500
In an experiment on the effect of temperature on germination of cress seeds, which of the following would be controlled variables?
a. Temperature and size of seeds
b. Size of seeds and time
c. pH and temperature
d. Temperature and volume of water
What is size of seeds and time?
500
Which of these are vestigial structures?
A. the wings of a butterfly
B. the hip bones found in some species of snake
C. the thick fur and layer of fat of some mammals in cold climate
D. the sharp spines of a cactus
What is B - the hip bones found in some species of snake
500
The diagram shows an energy pyramid. Which trophic level will be occupied by an insect that feeds on grass and is eaten by a mouse.
A. level P
B. level Q
C. level R
D. level S
What is B - Q?
500
The table shows the reactants and products of a chemical reaction.
What is D?