High School Science Concepts Quiz

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Questions and Answers

What is an example of a low Earth orbit satellite?

International Space Station (ISS) (correct)
Weather Satellite
GPS Satellite
Communication Satellite

What does the Doppler Effect explain?

Change in frequency of a wave in relation to an observer's motion (correct)
Change in amplitude of a wave in relation to an observer's motion
Change in wavelength of a wave in relation to an observer's motion
Change in speed of a wave in relation to an observer's motion

Which scientist proposed the heliocentric model of the solar system?

Kepler
Ptolemy
Copernicus (correct)
Galileo

What is the main aim of The Large Hadron Collider (LHC)?

To explore fundamental particles and forces (D) Signup and view all the answers

What does the periodic table provide information about?

Element's atomic number and relative atomic mass (B) Signup and view all the answers

What is the charge of ions in ionic bonds?

Positive or negative (C) Signup and view all the answers

What type of reaction is combustion?

Exothermic (B) Signup and view all the answers

What does the development of materials such as plastics and nanotechnology involve?

Social, ethical, and environmental considerations (D) Signup and view all the answers

What does Newton’s second law state?

Acceleration is directly proportional to the net force and inversely proportional to mass (C) Signup and view all the answers

What is the relationship between force, mass, and acceleration quantitatively defined as?

$F = ma$ (B) Signup and view all the answers

According to Newton’s Third Law, what happens for every action?

There is an equal and opposite reaction (A) Signup and view all the answers

How is kinetic energy (KE) defined?

$KE = 1/2 mv^2$ (D) Signup and view all the answers

What does the law of conservation of energy state?

Energy cannot be created or destroyed, only transferred or transformed (B) Signup and view all the answers

What do seat belts, airbags, and crumple zones aid in, in accordance with Newton’s Laws?

Reducing the impact force during collisions (A) Signup and view all the answers

What does the law of conservation of energy demonstrate?

Energy transfers occur between kinetic energy and gravitational potential energy (C) Signup and view all the answers

What is the definition of gravitational potential energy (GPE)?

$GPE = mgh$ (A) Signup and view all the answers

What is involved in the human reproductive system?

Transmission of inheritable characteristics through genes during reproduction (B) Signup and view all the answers

What do Mitosis and meiosis play roles in?

Cell production for growth, replacement, and reproduction, leading to variation within offspring (D) Signup and view all the answers

What is the correct formula for velocity?

$v = \frac{s}{t}$ (B) Signup and view all the answers

What is the difference between speed and velocity?

Speed is a scalar quantity, while velocity is a vector quantity. (A) Signup and view all the answers

What is the formula for acceleration?

$a = \frac{v-u}{t}$ (B) Signup and view all the answers

What does the slope of a distance vs. time graph represent?

Speed (C) Signup and view all the answers

In the expression $v = u + at$, what does $a$ represent?

Acceleration (B) Signup and view all the answers

What is the relationship between mass and weight?

Mass is a measure of the amount of substance in an object, while weight is the force exerted on an object due to gravity. (D) Signup and view all the answers

What is inertia?

The resistance of an object to a change in its state of motion. (A) Signup and view all the answers

Which law states that an object will remain at rest or in uniform motion unless acted upon by a resultant force?

Newton's First Law (D) Signup and view all the answers

What is the correct formula to calculate weight using mass?

$w = m \times g$ (D) Signup and view all the answers

What is the correct formula for velocity in terms of displacement and time?

$v = \frac{\Delta s}{\Delta t}$ (B) Signup and view all the answers

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Study Notes

High School Science Curriculum Summary

Newton’s second law states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass.
Balanced forces result in no acceleration, while unbalanced forces cause acceleration, requiring a net (resultant) force.
The relationship between force, mass, and acceleration is quantitatively defined as F = ma.
Newton’s Third Law states that for every action, there is an equal and opposite reaction.
Seat belts, airbags, and crumple zones aid car safety by reducing the impact force during collisions, in accordance with Newton’s Laws.
Kinetic energy (KE) is defined as KE = 1/2 mv^2, and gravitational potential energy (GPE) is defined as GPE = mgh.
The law of conservation of energy states that energy cannot be created or destroyed, only transferred or transformed.
Energy transfers occur between kinetic energy and gravitational potential energy in various situations, and calculations can demonstrate this transfer.
The human reproductive system involves the transmission of inheritable characteristics through genes during reproduction.
Mitosis and meiosis play roles in cell production for growth, replacement, and reproduction, leading to variation within offspring.
DNA structure controls cellular activity, and biotechnology applications include genetically modified organisms, cloning, and DNA fingerprinting.
Mendel's experimental work contributed to the study of genetics, including the concepts of dominant/recessive alleles, Punnett squares, and genetic diseases.