Free Printable Abeka 9th Science Test 3 EXAM p2

1.

Which formula measures of how quickly an object moves?

a)

ρ = m/V

b)

v = d/t

c)

η = W_o/W_i

d)

F = ma

e)

P₁V_{1 =}P₂V₂

2.

Which is the formula for Newton's second law of motion?

a)

ρ = m/V

b)

v = d/t

c)

η = W_o/W_i

d)

F = ma

e)

P₁V₁= P₂V₂

3.

Which is the formula for the efficiency of a machine?

a)

ρ = m/V

b)

v = d/t

c)

η = W_o/W_i

d)

F = ma

e)

P₁V₁₌P₂V₂

4.

Which is the formula for the density of an object?

a)

ρ = m/V

b)

v = d/t

c)

η = W_o/W_i

d)

F = ma

e)

P₁V₁=P₂V₂

5.

The phenomenon of a spinning cylinder or ball causing lift is the ________ effect.

a)

Magnus

b)

Bernoulli

c)

Venturi

d)

Coriolis

6.

The multiplication of the input force that a machine provides under real world conditions is ________.

a)

AMA or actual mechanical advantage

b)

IMA or ideal mechanical advantage

c)

efficiency

d)

work output

7.

The term that refers to any change in velocity is ________.

a)

acceleration

b)

force

c)

momentum

d)

distance

8.

A tentative explanation to describe a scientific process is a(n) ________.

a)

hypothesis

b)

theory

c)

law

d)

observation

9.

The amount of matter in an object is ________.

a)

mass

b)

volume

c)

weight

d)

density

10.

The SI unit of work is the ________.

a)

joule

b)

watt

c)

newton

d)

pascal

11.

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

a)

liquid

b)

plasma

c)

gas

d)

solid

12.

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

a)

capillarity

b)

diffusion

c)

compressibility

d)

viscosity

13.

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

a)

capillarity

b)

viscosity

c)

diffusion

d)

sublimation

14.

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

a)

aneroid barometer

b)

mercury thermometer

c)

spring scale

d)

hydrometer

15.

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

a)

weight

b)

density

c)

volume

d)

temperature

16.

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

a)

accuracy

b)

precision

c)

significance

d)

uncertainty

17.

Which is the formula for Charles's law?

a)

$\frac{F_{input}}{A_{input}}=\frac{F_{output}}{A_{output}}$

b)

$P_1V_1=P_2V_2$

c)

$\frac{V_1}{T_1}=\frac{V_2}{T_2}$

d)

$\frac{P_1}{V_1}=\frac{P_2}{V_2}$

e)

$\eta\ =\frac{W_1}{W_o}$

18.

Which is the formula for Pascal's principle?

a)

$\frac{F_{input}}{A_{input}}=\frac{F_{output}}{A_{output}}$

b)

P₁V₁=P₂V₂

c)

$\frac{V_1}{T_1}=\frac{V_2}{T_2}$

d)

$\frac{P_1}{T_1}=\frac{P_2}{T_2}$

e)

$v\ =\ \frac{d}{t}$

19.

Which is the formula for Boyle's law?

a)

$\frac{F_{input}}{A_{input}}=\frac{F_{output}}{A_{output}}$

b)

P₁V₁=P₂V₂

c)

$\frac{V_1}{T_1}=\frac{V_2}{T_2}$

d)

$\frac{P_1}{T_1}=\frac{P_2}{T_2}$

e)

$\frac{P_1}{V_1}=\frac{P_2}{V_2}$

20.

Which is the formula for Amontons's law?

a)

$\frac{F_{input}}{A_{input}}=\frac{F_{output}}{A_{output}}$

b)

P₁V₁=P₂V₂

c)

$\frac{V_1}{T_1}=\frac{V_{ }}{T_2}$

d)

$\frac{P_1}{T_1}=\frac{P_2}{T_2}$

e)

$\frac{P_1}{V_1}=\frac{P_2}{V_2}$

21.

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

a)

The water coheres and pulls back from the table.

b)

The water adheres to the table.

c)

The water moves over the table because of gravity.

d)

The water presses away from the table because of differing densities.

22.

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

a)

The container acts like a vacuum while it is being disturbed.

b)

The container grows too hot from being shaken by a person.

c)

The pressure builds from the gas inside the container.

d)

The pressure from the person's hand disturbs the container.

23.

Bobby is conducting an experiment to see which toys his cat prefers. He tests three different types of toys in his bedroom: a small foam ball, a plastic mouse, and a feather toy. Each day after school, he takes his cat to his bedroom to test and record results. What are two important controlled variables for his experiment?

a)

the cat's preference and the three toys

b)

the three toys and the time of day

c)

his bedroom and the three toys

d)

his bedroom and the time of day

24.

On a consistently breezy day, Paula is flying a large foam airplane. A sudden gust of wind pushes the airplane's nose up, which causes the airplane to plummet to the ground. Why would the airplane suddenly fall?

a)

The airplane's foil shape did not sustain the lift from the breeze.

b)

The airplane experienced too much drag from the initial throw.

c)

The airplane exceeded its critical angle of attack and no more lift developed.

d)

The airplane did not have enough wind to continue lifting it into the air.

Abeka 9th Science Test 3 EXAM p2

Total questions: 24

Worksheet time: 12mins

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