Show:
Nature of Science
Biology
Biology
Chemistry
Physics
100
During an experiment, a student cuts his finger with a scapel. The student should...
What is notify the teacher and follow her instructions
100
Mutations in genes that can code for proteins used to regulate cell division can result in - (answer choices: polyploidy, albino offspring, cancer, down's syndrome)
What is Cancer
100
Automobile factories use blueprints to assemble different models of cars. The assembly of cars from blueprints is similar to the relationship between -
What is the DNA genotype and the resulting phenoype
100
Based on the periodic table, which answer choice contains elements that are most similar to each other in their chemical behavior?
What is Ne, Kr, Rn
100
A construction crane lifts 21,560 N concrete building slabs from the ground to the top of a 40 m tall building. Each 40 m vertical lift requires 270 seconds. The power of the crane during each lift operation is -
What is 3,194.1 watts
200
What tool should a student use to measure the mass of an owl pellet with the greatest precision?
What is a triple beam balance
200
Round and rod shaped organisms are related to members of what Kingdom (Archaebacteria, Eubacteria, Fungi, Animilia)
What is Eubacteria
200
What does a mitochondria do inside the cell?
What is produces energy for the cell
200
A small piece of zinc is placed into a test tube of dilute sulfuric acid. Bubbles of a gas are released and the test tube feels hot when touched. The substances experienced a -
What is a Chemical Change
200
Communications satellites would fly off in a straight line, never rto be seen again, if it were not for a force from the earth compelling them to constantly change their direction. This tendency to fly off in a straight line is a statement of the -
What is law of inertia
300
Is the statement "Lima beans taste best when cooked with corn" a testable hypothesis?
What is no
300
Distinguish the difference between a eukaryote and a prokaryote
What is eukaryote has a nucleus, prokaryote does not have a nucleus.
300
A zoo keeper places 2 Hawaiian birds toghet in hopes that they will reproduce and provide more tropical birds for his exhibit. The male bird is shipped from the island of Oahu and the female is shipped from the big island of Hawaii. After several months, the birds do nnot produce any offspring. This is an example of (speciation, extinction, diversity, adaptation)
What is speciation
300
A manufaxturer produces and sells a nono-toxic fluid used in the cosmetic industry. The fluid has a density of 2.5 g/mL and is packaged in plastic bottles. What is the smallest mL volume container the manufacturer can use to hold 50 g of the fluid?
What is 20.0 mL
300
A wood burning fireplace can warm the air in a room primary by transfer of heat through - (answer choices: conduction, convection, or radiation)
What is radiation
400
If you hold a test tube with an unidentified liquid, the most important safety precaution a student must follow is to -
What is wear safety goggles
400
The organ system responsible for exchanging and transporting materials between the other body systems and the interstital fluid around the cells is the -
What is the circulatory system
400
Use a mRNA Codons and Amino Acid Chart: A possible sequence of amino acids that could be formed from the mRNA strand AUG - UCC - UUA - UCG - UCU
What is Methionine - Serine - Leucine - Serine - Serine
400
A student observes that a raw egg sinks when placed in tap water. If enough salt is dissolved in the water, the egg will ultimately float. This describes what -
What is density
400
Two tuning forks are placed 1.0 m apart and adjusted so that when one fork is struck, it sets the other fork into vibration. This demonstrates - (answer choices: resonance, interference, the production of beats)
What is resonance
500
To calculate the average density of a textbook, a student will need to make measurements using a -
What is triple-beam balance and metric ruler.
500
Two organ systems that work together to supply cells with nutrients are the -
What is digestive system and circulatory system
500
In December, a student catches the flu. A month later, everyone around the student catches the flu but she does not. In April, another flu outbreak occurs and this time the student catches the flu again. Which statement best explains why the student caught the flu during the third outbreak?
What is The virus causing the flu in April was a different strain than the virus causing the flu in December and January.
500
If the density of a substance is 0.4 g/mL and the mass is 46 g. The volume is -
What is 115
500
A 2.45 N laboratory car is pulled along a 1.2 m inclined ramp. The top of the ramp is elevated to 0.40 m. The spring scale has a steady reading of 1.1 N. The efficiency of this incline plane system is -
What is 74.2%