Science 8 FINAL EXAM

Last updated 3 months ago

27 questions

1

14

6

Library

Science 8 FINAL EXAM

Last updated 3 months ago

27 questions

1

                                             TRUE & FALSE

1

                                                DIAGRAMS

14

Draggable item		Corresponding Item

6

Complete this simple diagram of the eye using the given terms.

Pick a black dot and stare at it and focus on only that black dot. The shift your eyes quickly to another spot, then another😃😃

Most scientists agree that there are __________ characteristics of life

six

five

four

three

The basic unit of life is the...

cell

organism

adaptation

structure

The correct order from smallest to largest is...

cell, organ, organ system, tissue

cell, tissue, organ, organ system

organ, tissue, cell, organ system

tissue, cell, organ, organ system

The movement of water from an area of HIGH concentration to an area of LOW concentration is called...

osmosis

diffusion

adaptaion

metabolism

An AXON...

controls voluntary respsonses

carries nerve impulses toward the cell of the body

carries nerve impulses away from the cell body

controls involuntary resonses

Newton discovered...

white light splits into colors when shone through a prism

how vision works

the law of reflection

that light travels in straight lines

What was Pythagoras's theory of vision?

light is sensed by our eyes as heat

light bounces off of objects, then to our eyes

light bends as it enters our eyes

rays leave our eyes and sense the surroundings

You can see your reflection on a smooth shiny surface because the reflected rays are...

parallel

scattered

converged

diffuse

A line drawn perpendicular to a mirror at the point of reflection is said to be...

refracted

incident

reflected

normal

Concave lenses...

reflect light

diverge light

converge light

separate light

The colors of the visible light spectrum are arranged as follows:

violet, indigo, blue, green, yellow, orange, red

red, orange, yellow, green, violet, indigo, blue

red, orange, yellow, green, blue, indigo, violet

red, orange, yellow, green, indigo, blue, violet

When someone says "I have brown eyes" they are actually refering to the color of their...

pupil

iris

retina

cornea

Which part of the human eye is the best match for the film in an automatic camera?

cornea

retina

pupil

lens

Which of the following is responsible for detecting color in the human eye?

retina

rods

pupil

cones

The part of a digital camera that converts light into digital information is the..

aperture

charged-coupled device

film

video recorder

Mechanical systems for transporting water were developed by Roman engineers thousands
of years ago. These systems supplied water to cities that were many kilometers from the
water supply. The systems were known as ...

sakias

aqueducts

Persian wheels

mill wheels

A simple machine that converts rotational motion to linear motion is called ...

Class 1 lever

Screw

Wedge

Inclined plane

Work is calculated using the formula – W = F x d. If you lift a box onto your desk that is 0.4 meters off the floor, using 50 Newtons of force, how much work are you doing?

20 Joules

125 Joules

50.4 Joules

49.6 Joules

Pascal’s Law states that pressure applied to an enclosed fluid is transmitted ...

to the walls of the container which double the pressure

to the opposite piston where it increases the force

by the transfer force in the fluid

equally in all directions throughout the fluid

The design and development of opening mechanisms for aluminum cans went through four distinct designs. To get the liquid out of the can you need one large hole or two smaller holes. If two holes are needed, the first is designed to let air into the can, and the second hole is designed to ...

let the fluid out

be just for show

create pressure

restrict the flow

                                             TRUE & FALSE

Smoking affects only the respiratory system and the digestive system of a smoker.

True

False

The camera’s diaphragm performs the function of the retina of the human eye.

True

False

A speed ratio for the gears on a bicycle equals the number of teeth on the rear sprocket divided by the number of teeth on the front sprocket.

True

False

Microscopes that have two or more lenses are known as compund light microscopes.

True

False

Scientists, engineers and inventors want to develop mechanical devices that work the best for the
work they are designed to do. The function is the purpose and the design is the form.

True

False

                                                DIAGRAMS

Match the number indicated with the name of the part of this compound microscope.

Draggable item		Corresponding Item
Twelve		Body Tube
Thirteen		Revolving Nose Piece
One		Low Objective Lens
Ten		Medium Objective Lens
Fourteen		Hiigh Objective Lens
Four		Stage Clips
Eleven		Diaphragm
Two		Light Source
Three		Ocular Lens
Five		Arm
Nine		Stage
Eight		Coarse Adjustment Knob
Six		Fine Adjustment Knob
Seven		Base

Complete this simple diagram of the eye using the given terms.

Pick a black dot and stare at it and focus on only that black dot. The shift your eyes quickly to another spot, then another😃😃

Most scientists agree that there are __________ characteristics of life

six

five

four

three

The basic unit of life is the...

cell

organism

adaptation

structure

The correct order from smallest to largest is...

cell, organ, organ system, tissue

cell, tissue, organ, organ system

organ, tissue, cell, organ system

tissue, cell, organ, organ system

The movement of water from an area of HIGH concentration to an area of LOW concentration is called...

osmosis

diffusion

adaptaion

metabolism

An AXON...

controls voluntary respsonses

carries nerve impulses toward the cell of the body

carries nerve impulses away from the cell body

controls involuntary resonses

Newton discovered...

white light splits into colors when shone through a prism

how vision works

the law of reflection

that light travels in straight lines

What was Pythagoras's theory of vision?

light is sensed by our eyes as heat

light bounces off of objects, then to our eyes

light bends as it enters our eyes

rays leave our eyes and sense the surroundings

You can see your reflection on a smooth shiny surface because the reflected rays are...

parallel

scattered

converged

diffuse

A line drawn perpendicular to a mirror at the point of reflection is said to be...

refracted

incident

reflected

normal

Concave lenses...

reflect light

diverge light

converge light

separate light

The colors of the visible light spectrum are arranged as follows:

violet, indigo, blue, green, yellow, orange, red

red, orange, yellow, green, violet, indigo, blue

red, orange, yellow, green, blue, indigo, violet

red, orange, yellow, green, indigo, blue, violet

When someone says "I have brown eyes" they are actually refering to the color of their...

pupil

iris

retina

cornea

Which part of the human eye is the best match for the film in an automatic camera?

cornea

retina

pupil

lens

Which of the following is responsible for detecting color in the human eye?

retina

rods

pupil

cones

The part of a digital camera that converts light into digital information is the..

aperture

charged-coupled device

film

video recorder

Mechanical systems for transporting water were developed by Roman engineers thousands
of years ago. These systems supplied water to cities that were many kilometers from the
water supply. The systems were known as ...

sakias

aqueducts

Persian wheels

mill wheels

A simple machine that converts rotational motion to linear motion is called ...

Class 1 lever

Screw

Wedge

Inclined plane

Work is calculated using the formula – W = F x d. If you lift a box onto your desk that is  0.4 meters off the floor, using 50 Newtons of force, how much work are you doing?

20 Joules

125 Joules

50.4 Joules

49.6 Joules

Pascal’s Law states that pressure applied to an enclosed fluid is transmitted ...

to the walls of the container which double the pressure

to the opposite piston where it increases the force

by the transfer force in the fluid

equally in all directions throughout the fluid

The design and development of opening mechanisms for aluminum cans went through four distinct designs. To get the liquid out of the can you need one large hole or two smaller holes. If two holes are needed, the first is designed to let air into the can, and the second hole is designed to ...

let the fluid out

be just for show

create pressure

restrict the flow

Smoking affects only the respiratory system and the digestive system of a smoker.

True

False

The camera’s diaphragm performs the function of the retina of the human eye.

True

False

A speed ratio for the gears on a bicycle equals the number of teeth on the rear sprocket divided by the number of teeth on the front sprocket.

True

False

Microscopes that have two or more lenses are known as compund light microscopes.

True

False

Scientists, engineers and inventors want to develop mechanical devices that work the best for the
work they are designed to do. The function is the purpose and the design is the form.

True

False

Match the number indicated with the name of the part of this compound microscope.

Twelve

Body Tube

Thirteen

Revolving Nose Piece

One

Low Objective Lens

Ten

Medium Objective Lens

Fourteen

Hiigh Objective Lens

Four

Stage Clips

Eleven

Diaphragm

Two

Light Source

Three

Ocular Lens

Five

Arm

Nine

Stage

Eight

Coarse Adjustment Knob

Six

Fine Adjustment Knob

Seven

Base

Science 8 FINAL EXAM

Science 8 FINAL EXAM

TRUE & FALSE

DIAGRAMS

Complete this simple diagram of the eye using the given terms.

Most scientists agree that there are __________ characteristics of life

The basic unit of life is the...

The correct order from smallest to largest is...

The movement of water from an area of HIGH concentration to an area of LOW concentration is called...

An AXON...

Newton discovered...

What was Pythagoras's theory of vision?

You can see your reflection on a smooth shiny surface because the reflected rays are...

A line drawn perpendicular to a mirror at the point of reflection is said to be...

Concave lenses...

The colors of the visible light spectrum are arranged as follows:

When someone says "I have brown eyes" they are actually refering to the color of their...

Which part of the human eye is the best match for the film in an automatic camera?

Which of the following is responsible for detecting color in the human eye?

The part of a digital camera that converts light into digital information is the..

Mechanical systems for transporting water were developed by Roman engineers thousandsof years ago. These systems supplied water to cities that were many kilometers from thewater supply. The systems were known as ...

A simple machine that converts rotational motion to linear motion is called ...

Work is calculated using the formula – W = F x d. If you lift a box onto your desk that is 0.4 meters off the floor, using 50 Newtons of force, how much work are you doing?

Pascal’s Law states that pressure applied to an enclosed fluid is transmitted ...

The design and development of opening mechanisms for aluminum cans went through four distinct designs. To get the liquid out of the can you need one large hole or two smaller holes. If two holes are needed, the first is designed to let air into the can, and the second hole is designed to ...

TRUE & FALSE

Smoking affects only the respiratory system and the digestive system of a smoker.

The camera’s diaphragm performs the function of the retina of the human eye.

A speed ratio for the gears on a bicycle equals the number of teeth on the rear sprocket divided by the number of teeth on the front sprocket.

Microscopes that have two or more lenses are known as compund light microscopes.

Scientists, engineers and inventors want to develop mechanical devices that work the best for thework they are designed to do. The function is the purpose and the design is the form.

DIAGRAMS

Match the number indicated with the name of the part of this compound microscope.

Complete this simple diagram of the eye using the given terms.

Mechanical systems for transporting water were developed by Roman engineers thousands
of years ago. These systems supplied water to cities that were many kilometers from the
water supply. The systems were known as ...

Scientists, engineers and inventors want to develop mechanical devices that work the best for the
work they are designed to do. The function is the purpose and the design is the form.