# Science Terms Quiz: Test!

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| By Banu040278
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Banu040278
Community Contributor
Quizzes Created: 1 | Total Attempts: 292
Questions: 10 | Attempts: 292

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• 1.

### The girth of a tree can be measured by:

• A.

Metre scale

• B.

Metre rod

• C.

Plastic ruler

• D.

Measuring tape

D. Measuring tape
Explanation
The girth of a tree can be measured using a measuring tape because it provides a flexible and accurate way to measure the circumference of the tree trunk. A measuring tape can easily wrap around the tree trunk and provide an accurate measurement in units such as centimeters or inches.

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• 2.

### The quantity that can be measure is called:

• A.

Physical quantity

• B.

Measurement

• C.

Unit

• D.

Motion

B. Measurement
Explanation
Measurement refers to the process of quantitatively determining the value of a physical quantity. It involves comparing the unknown quantity with a known standard unit. Therefore, measurement is the correct answer as it directly relates to the act of quantifying a physical quantity.

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• 3.

### SI unit of length is symbolically represented as:

• A.

M

• B.

G

• C.

Kg

• D.

S

A. M
Explanation
The SI unit of length is symbolically represented as "m" which stands for meter. The meter is the standard unit of length in the International System of Units (SI) and is used to measure distances. It is defined as the distance that light travels in a vacuum in 1/299,792,458 of a second.

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• 4.

### 500 gm= ______kilogram.

• A.

0.5

• B.

0.005

• C.

0.05

• D.

0.50

A. 0.5
Explanation
The question is asking for the equivalent value of 500 grams in kilograms. To convert grams to kilograms, we divide the number of grams by 1000. Therefore, 500 grams is equal to 0.5 kilograms.

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• 5.

### The SI system of units is accepted everywhere in the______

• A.

Asia

• B.

World

• C.

India

• D.

America

B. World
Explanation
The SI system of units, also known as the International System of Units, is a globally recognized system that is accepted and used worldwide. It is used in various fields such as science, engineering, and commerce, providing a standardized and consistent way of measuring physical quantities. Therefore, the correct answer is "World" as the SI system is accepted everywhere globally.

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• 6.

### Unit of speed is:

• A.

M

• B.

S

• C.

Kg

• D.

M/s

D. M/s
Explanation
The unit of speed is measured in meters per second (m/s). This unit represents the distance traveled in meters divided by the time taken in seconds. It is commonly used in physics and engineering to quantify the rate at which an object or person is moving.

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• 7.

### The correct relation among following is:

• A.

Speed= distance *time

• B.

Speed= distance /time

• C.

Speed= time /distance

• D.

Speed=1/( distance *time )

D. Speed=1/( distance *time )
Explanation
The correct relation among the given options is Speed=1/( distance *time ). This equation represents the inverse relationship between speed, distance, and time. It suggests that as the distance and time taken to cover that distance increase, the speed decreases. The equation also indicates that speed is inversely proportional to the product of distance and time, meaning that an increase in either distance or time will result in a decrease in speed.

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• 8.

### A bike moving on a straight road is an example of____motion.

• A.

Linear

• B.

Oscillatory

• C.

Circular

• D.

Curvilinear

A. Linear
Explanation
A bike moving on a straight road is an example of linear motion because it follows a straight path without any change in direction. Linear motion is characterized by movement in a straight line, and in this case, the bike is not deviating from its path or moving in any other direction.

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• 9.

### Gravitational force is a____force.

• A.

Non contact

• B.

Contact

• C.

Uniform

• D.

Periodic

A. Non contact
Explanation
Gravitational force is a non-contact force because it acts between two objects without any physical contact between them. It is the force of attraction between two objects with mass, and it is always present regardless of whether the objects are in direct contact or not. This force is responsible for holding planets in their orbits around the sun, and it is also what gives weight to objects on Earth.

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• 10.

### The motion of a wheel in a car.

• A.

Linear

• B.

Rotatory

• C.

Circular

• D.

Zigzag

B. Rotatory
Explanation
The motion of a wheel in a car is best described as rotatory. When a car is in motion, the wheels rotate in a circular motion around their central axis. This rotation allows the car to move forward or backward. The term "rotatory" accurately captures the circular motion of the wheels, making it the correct answer in this context.

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• Current Version
• Mar 20, 2023
Quiz Edited by
ProProfs Editorial Team
• Aug 30, 2020
Quiz Created by
Banu040278

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