Science #1
Science #2
Science #3
Science #4
Science #5
100
Which of these MUST happen for the sea floor to spread apart? (A) a flood (B) a hurricane (C) plate movement (D) volcanic eruption
What is (C) plate movement?
100
New rock forms from rock that is melted and then cools. What type of rock is MOST LIKELY formed by this process? (A) sedimentary (B) igneous (C) metamorphic (D) magma
What is (B) igneous
100
(BONUS: 5X) Which shows only a transverse wave? (A) a tuning fork producing sound (B) a coil spring vibrating up and down (C) a coil spring vibrating horizontally (D) water traveling toward a shore
What is (B) a coil spring vibrating up and down?
100
A screw is an example of a simple machine that would be MOST useful for (A) cutting a sandwich. (B) hammering a nail. (C) opening a corked bottle. (D) lifting a rock.
What is (C) opening a corked bottle.
100
Scientists theorize that the Atlantic Ocean is slowly increasing in width. Which is the BEST approximation of the rate at which lithospheric plates beneath the Atlantic Ocean are moving? (A) 2 mm per year (B) 2 cm per year (3) 2m per year (D) 2 km per year
What is (B) 2 cm per year?
200
What is the end result of a dividing plant cell? (A) the duplication of the cell's DNA and chromosomes (B) two different daughter cells (C) two identical nuclei (D) two identical daughter cells
What is (D) two identical daughter cells?
200
Which is the BEST example of an adaptive bioengineered product? (A) sugar cane that is processed to make fuel (B) mules that are bred from horses and donkeys for farm work (C) ladybugs that are raised to eat garden pests (D) eyeglasses that are used to correct near-sighted vision
What is (A) sugar cane that is processed to make fuel?
200
There is an exchange of gases between plants and animals. What gas is produced by the plant and reacted upon by the animal? (A) glucose (B) carbon dioxide (C) nitrogen (D) oxygen
What is (D) oxygen?
200
Which is the BEST example of Newton's first law of motion? (A) A basketball thrown in the air falls to the ground. (B) A soccer ball remains motionless until it is kicked by a player. (C) A baseball player swings at an approaching ball. (D) An ice skater pushes off from a wall and moves backwards.
What is (B) A soccer ball remains motionless until it is kicked by a player.?
200
(BONUS: 5X) Medical researchers are developing a hospital bed weighing system that allows nurses to get the weight of a patient without awakening the patient. What is the intended benefit of this technology? (A) Patients will not be disturbed. (B) Patients will have to take fewer medications for weight loss. (C) Patients can experience pain relief. (D) Patients can avoid weight loss surgery.
What is (A) Patients will not be disturbed.?
300
Which of these BEST describes the composition of the inner core of Earth? (A) liquid iron and nickel (B) carbon dioxide and ice (C) quartz and oxygen (D) solid iron and nickel
What is (D) solid iron and nickel?
300
In a plant cell, which organelle captures and absorbs light energy? (A) Golgi complex (B) nucleus (C) chloroplast (D) vacuole
What is (C) chloroplast?
300
(BONUS: 5X) The characteristics for having dimples (D) is dominant to the characteristic for not having dimples (d). Draw a Punnett Square of a cross between a dimpled person (Dd) and a non-dimpled person (dd). What percentage of the offspring from this cross will MOST LIKELY have dimples? (A) 25% (B) 50% (C) 75% (D) 100%
What is (B) 50%?
300
Which processes can change a metamorphic rock into an igneous rock? (A) weathering and erosion (B) melting and cooling (C) deposition and cementation (D) heat and pressure
What is (B) melting and cooling?
300
(BONUS: 5x) Which statement BEST explains the difference between longitudinal and transverse waves? (A) Longitudinal waves have troughs, while transverse waves have crests. (B) Longitudinal waves produce energy, while transverse waves consume energy. (C) Particles in longitudinal waves travel towards a force, while particles in transverse waves travel away from a force. (D) Particles in longitudinal waves travel in the direction of the wave, while particles in transverse waves travel perpendicular to the wave.
What is (D) Particles in longitudinal waves travel in the direction of the wave, while particles in transverse waves travel perpendicular to the wave.?
400
(BONUS: 5X)Which statement accurately describes the process that forms a type of rock? (A) Metamorphic rock forms when igneous rocks are compacted at low temperatures. (B) Sedimentary rock forms when metamorphic rock melts. (C) Sedimentary rock forms when small pieces of rock are compacted and cemented. (D) Metamorphic rock forms when magma cools and crystallizes.
What is (C) Sedimentary rock forms when small pieces of rock are compacted and cemented. ?
400
Some scientists want to design a system (I-Binder) for middle school students that will decrease the load of carrying books and school supplies during transition. What should they do before they produce the first complete working version of the I-binder? (A) build a prototype of the system (B) evaluate the results of the system (C) improve the design of the system (D) conduct test on the system
What is (A) build a prototype of the system?
400
Which layer of Earth is composed mostly of liquid water and different types of rock crystals such as quartz? (A) crust (B) mantle (C) inner core (d) outer core
What is (A) crust?
400
(Equation: W = F x D) A gardener uses a lever to lift a rock from the ground. The gardener applies a force of 50 newtons and moves the rock 1.5 meters. How much work is being done by the gardener? (A) 33.0 newton-meters (B) 48.5 newton-meters (C) 51.5 newton-meters (D) 75.0 newton-meters
What is (D) 75.0 newton-meters?
400
What is the MAIN function of the anther in the flower? (A) attracting pollinators (B) producing pollen (C) protecting the ovule (D) supporting the pistil
What is (B) producing pollen?
500
An ice skater pushes off from a wall and moves backwards. Which of Newton's laws is used to explain these forces? (A) An object at rest tends to stay at rest unless acted upon by an unbalanced force. (B) The net force of an object is equal to its mass times its acceleration. (C) For every action, there is an equal and opposite reaction. (D) Any two objects exert a gravitational force of attraction on each other.
500
(BONUS: 5X) Where are the genes for the physical traits of an organism located? (A) on a strand of RNA (B) on a chromosome (C) inside a hormone (D) inside a carbohydrate
What is (B) on a chromosome?
500
(BONUS: 5X) Object X has twice the mass of Object Y. Both objects are accelerating at the same rate. Which statement BEST describes the motions of Object X and Object Y? (A) Object X is traveling at twice the speed as Object Y. (B) Object X is traveling at half the speed as Object Y. (C) Object X requires twice the force to accelerate at the same rate as Object Y. (D) Object X requires half the force to accelerate at the same rate as Object Y.
What is (C) Object X requires twice the force to accelerate at the same rate as Object Y.?
500
Which of these begins the process that changes metamorphic rock into sedimentary rock? (A) cooling and crystallization (B) heating and pressure (C) folding and burial (D) weathering and erosion
What is (D) weathering and erosion?
500
Which is the BEST example of an assistive technology that was designed to help a person overcome a disability? (A) a mobile telephone with a ringer that can be turned off (B) a computer with a magnifier over the screen (C) a type of plant that is made to resist pests (D) a new type of fuel made from algae
What is (B) a computer with a magnifier over the screen?
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