Science 8 FINAL EXAM

1

Most scientists agree that there are __________ characteristics of life

1

The basic unit of life is the...

1

The correct order from smallest to largest is...

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

1

An AXON...

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Newton discovered...

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What was Pythagoras's theory of vision?

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

1

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

1

Concave lenses...

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

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

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

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

1

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

1

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 ...

1

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

1

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?

1

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

1

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

1

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

1

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

1

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.

1

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

1

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.

                                                DIAGRAMS

14

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

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

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

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.