G7 CH3 - Force and Energy | Baamboozle - Baamboozle

English 16 Public

Mass and weight

Study Slideshow

Complete the sentence using the most appropriate words. As the mass of a planet ____________________ the strength of gravity on the planet ____________________

Increase, Increase or Decrease, decrease

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The strength of gravity on a planet is 5 N/kg. Calculate the weight of an 100 kg spacecraft on that planet. Show your working and give the unit in your answer.

W= m x g = 5 x 100 = 500 N

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A bag of sugar is lifted onto a high table. State two energy stores in the sugar. __________________________ and __________________________

GPE and Chemical

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What is dissipated energy?

Energy that spreads out and becomes less useful

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The force of gravity on an object. ______________

Weight

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The quantity of matter in an object. ______________

Mass

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Which of these can be dissipated? Choose all that are correct. chemical / thermal / light / sound / elastic

Thermal / Light / Sound

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What is the unit of weight?

Newton (N)

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What is the SI unit of mass?

Kilogram (kg)

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Write the letter or letters where there will be high tide on Earth in this diagram.______________

B and D

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There is also low tide at a place in the diagram. State the number of hours until the next low tide in the same place.________________

12 hours

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A container of water is placed over a fire that burns wood. a. Name the energy that is transferred from the fire to the water. ________

Thermal

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A container of water is placed over a fire that burns wood. Not all of this energy is transferred to the water. List two other places where this energy could go. [2] _____________ _____________

Container and surrounding

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An electric motor works on electrical energy. [2] The motor changes electrical energy in three ways. Write the energy in the correct columns.

Usefull : Kinetic, Wasted : thermal, sound

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What form of energy change does this picture shows?

Chemical to light

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What form of energy change does this picture shows?

Electric to thermal

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