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Biblioteka

Science 8 FINAL EXAM

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Posljednje ažuriranje 4 months ago
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TRUE & FALSE

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DIAGRAMS

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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😃😃

Pitanje 1
1.

Most scientists agree that there are __________ characteristics of life

Pitanje 2
2.

The basic unit of life is the...

Pitanje 3
3.

The correct order from smallest to largest is...

Pitanje 4
4.

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

Pitanje 5
5.

An AXON...

Pitanje 6
6.

Newton discovered...

Pitanje 7
7.

What was Pythagoras's theory of vision?

Pitanje 8
8.

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

Pitanje 9
9.

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

Pitanje 10
10.

Concave lenses...

Pitanje 11
11.

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

Pitanje 12
12.

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

Pitanje 13
13.

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

Pitanje 14
14.

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

Pitanje 15
15.

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

Pitanje 16
16.

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 ...

Pitanje 17
17.

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

Pitanje 18
18.

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?

Pitanje 19
19.

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

Pitanje 20
20.

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 ...

Pitanje 21
21.

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

Pitanje 22
22.

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

Pitanje 23
23.

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.

Pitanje 24
24.

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

Pitanje 25
25.

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.

Pitanje 26
26.

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

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

Twelve

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Body Tube

Thirteen

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Revolving Nose Piece

One

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Low Objective Lens

Ten

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Medium Objective Lens

Fourteen

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Hiigh Objective Lens

Four

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Stage Clips

Eleven

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Diaphragm

Two

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Light Source

Three

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Ocular Lens

Five

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Arm

Nine

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Stage

Eight

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Coarse Adjustment Knob

Six

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Fine Adjustment Knob

Seven

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Base

Pitanje 27
27.

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