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Evaluate to simplest form

B. Speech and the Social Contract. The U.S. Constitution says the government cannot limit freedom of speech. Is freedom of speech necessary in order to enjoy our natural rights? Pick ONE natural right and explain why it can’t be fully enjoyed without freedom of speech.

Without freedom of speech, it would be difficult to have. Life OR Liberty OR Property OR Happiness because…..

Exlain why non luminous flame is used for heating purposes.

Explain how an electric bell jar works

X-rays cannot pass through what?

(A) skin

(B) bone

(C) meat

(D) wood

 The capacity of a convex lens is diopter, its focus will be different?

(A) 24 cm

(B) 50 cm

(C) 40 cm

(D) 100 cm

 Which material rod is often used to make electromagnets?

(A) Steel

(B) malleable iron

(C) Brass

(D) None of these

Which of the following substances cannot be used for lenses?

(A) Water

(B) Soil

(C) Plastic

(D) glass

According to which principle does the electric motor work?

(A) Ohm's law

(B) Lenz's law

(C) Faraday's law

(D) None of these

What is silicon?

(A) Insulator

(B) Conductor

(C) Semiconductor

(D) None of these

The radius of curvature of a plane mirror is

(A) between one and eternal

(B) zero

(C) One

(D) Eternal

 In which direction does the magnetic needlepoint?

(A) North

(B) Akash

(C) East

(D) None of these

Which of the following metals has maximum thermal conductivity?

(A) Iron

(B) Aluminum

(C) Silver

(D) Copper

Which of the following is not a unit of mass?

(A) Pound

(B) Dine

(C) Village

(D) kg

Which of the following is not used as cooking fuel?

(A) LPG

(B) Biogas

(C) CNG

(D) Coal

B. Which is best? Read each scenario and decide which type of government makes the most sense. Would a direct democracy like in Athens work best, or would a republic like in Rome make more sense?

Your neighborhood wants to choose a spot for building a new dog park. How should you and the residents of the other 30 homes decide?

Everybody votes in a direct democracy! OR Select one representative from each home to speak for their family. WHY?