Abeka 9th grade Science: Matter and Energy Test 3 ( quarter exam)

What law states that temperature and pressure are directly related when volume is held constant ? "

What is the density of an object with a mass of 27 g and a volume of 9.0 cm³ ?

How many significant digits are in 0.020 63 ?

What is the attractive force between unlike molecules ?

What device measures altitude ?

What is the average speed of a person who walks 28 km in 7.0 h ?

What is the ratio of input distance to output distance ?

What law states that the force required to accelerate an object at a certain rate equals the object's mass times the desired acceleration ?

What is the rate of doing work ?

What is the product of an object's mass and velocity ?

What causes an object to travel in a curved path rather than a straight line ?

What principle states that the buoyant force experienced by an object is exactly equal to the weight of the fluid displaced ?

What is the SI unit of pressure ?

Who discovered the laws of motion and gravitation ?

What is the efficiency of a machine that has a work output of 630. J and a work input of 700. J ?

What is the fluid friction that tends to slow an object as it moves through a fluid

What is the force on an object that is generated by relative motion between the object and a fluid and that is perpendicular to the direction of fluid flow?

What is the science of shaping objects to allow the smooth flow of fluids around them and reduce drag ?

What property of a gas must remain constant for Boyles's law to be used ?

What system of measurement was designed by French scientists to be simpler to learn and use than the F.P.S. system ?

What is the mass in a certain volume ?

What type of lever has the input force applied between the fulcrum and output force ?

What law states that if the pressure of a gas is constant , its volume and temperature are directly proportional ?

What principle states that events observed in the universe have rational causes ?

What is the point at which a submarine is completely underwater but not sinking ?

What is the term for a fall velocity at which the force of air resistance equals the object's weight ?

What valid form of inference supposes that when the consequent is false the antecedent must be false ?

What is the ability for other scientists to reach the same conclusion by performing the same experiment under different conditions and by performing other experiments to test the same hypothesis ?

What is the amount of gravitational pull on an object ?

What fallacy occurs when a term is misleadingly used with two different meanings in a single argument ?

Which of the following expresses 2702 correctly in scientific notation ?

What is a car's acceleration in the direction of motion when velocity changes from 20. m / s to 60. m / s in 10. s ?

What is the force exerted per unit of area ?

What is a factor that is changed to test a hypothesis

In the engineering design process, what is any characteristic required for a design to function?

What is an upward force exerted by a fluid on a solid object placed in the fluid ?

A hollow silver cube has a mass of 30. G and a volume of 35. Cm^3. How much mass must be placed inside the cube to give the cube neutral buoyancy in water, which has a density of 1.00 g/cm^3

What is a vector representing an object's change in position ?

What is a conclusion based on reasoning from evidence ?

What is the magnitude of the force required to accelerate a 2000 kg truck at 10 m / s² ?

Use dimensional analysis to convert 90. m to centimeters .

The phenomenon of a spinning cylinder or ball causing lift is the ? Effect.

The multiplication of input force that a machine provides after frictional losses is ?

The term that refers to any change in velocity is __ ? ___

A tentative explanation to describe a scientific process is an

The amount of matter in an object is

The metric prefix that means 1/ 100 is

The gravitational pressure of the air is called ?.

The SI unit of work is the

The state of matter in which molecules can move freely and conform to the shape of the container but remain attracted is the liquid state .

The ability of a gas to be easily squeezed and compacted into smaller containers is capillarity .

The phenomenon in which a liquid in a thin tube rises above or falls beneath its own level is surface tension .

The device that uses an airtight metal box with thin , flexible walls to measure pressure is an aneroid barometer .

According to Archimedes , an object immersed in water appears to lose its density .

The closeness of a measurement to the quantity's actual value is its precision .

An object that hangs from a fixed point and swings back and forth because of gravity is a pendulum .

The distance traveled by an object per unit time is motion .

A special form of inclined plane that modifies the applied force and directs it to the side is a screw .

When a glass of water spills on a table , why does the water bead and puddle instead of flattening to the smooth surface

When you shake a carbonated beverage, why does the beverage fizz and possibly explode when the top is opened?

Michael is conducting an experiment to see which toys his cat prefers He tests three different types of toys in his bedroom when his cat is playful . The toys are a small foam ball , a plastic mouse , and a feather toy . What are two important controlled variables for his experiment ?

When skating on a smooth sheet of ice , a skater pushes on the ice with his skates to move forward , sideways , and backward . How does the force and motion from his skates enable him to move across such a slippery surface ?

On a consistently breezy day, Grace is flying a large foam airplane that has been rising at a fast pace. A sudden gust of wind pushes the airplane's nose up, and the airplane plummets to the ground. Why would the airplane begin to suddenly fall?

The small piston of a hydraulic press has an area of 2.0 cm² , and the large piston has an large piston has an area of 16 cm^2. Calculate the output force of the large piston if the small piston has a force of 4.0 N applied to it .

Refer to picture

A steel crab trap (density of 7860 kg/m^3) with a volume of 0.070 m^3 is dropped into seawater ( density of 1030 kg/m^3). Calculate the buoyant force on the crab trap while it is falling to the bottom of the sea.

Refer to picture