Test
Physics
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Preguntas del test (28)
1The density of water is [blank_start]1 g/cm3[blank_end]
- A1 g/cm3
2In water, what will happen to an object if its density is more than 1 g/cm3?
- AFloat
- BSink
3What is the name associated with this symbol?
- AAmmeter
4[blank_start]Friction[blank_end] is a force that opposes motion, and creates heat.
- AFriction
5The weight of a body is the pull of gravity on it and, like all forces, weight is measured in?
- AGrams
- BNewtons
6The current in a series circuit is the [blank_start]same[blank_end] at all points in the circuit.
- Asame
7Air is an insulator
- AVerdadero
- BFalso
8[blank_start]Gravity[blank_end] is a force that acts between any two objects. The size of the force depends on the [blank_start]mass[blank_end] of the object and their distance apart.
- AGravity
- Bmass
9Moment = [blank_start]force[blank_end] x distance to pivot
- Aforce
10An [blank_start]electromagnet[blank_end] is made by wrapping a coil of [blank_start]insulated[blank_end] wire around an iron bar.
- Aelectromagnet
- Binsulated
11Fill in the missing term
- A2 springs in series
12What is the formula for force and pressure?
- APressure = force x area
- BForce = pressure / area
- CArea = force / pressure
13Fill in the missing formula
- AF1 x d1
14NICHROME is often used as a [blank_start]resistance wire[blank_end].
- Aresistance wire
15How many sources of renewable energy are there?
- A3
- B5
- C4
16How many years supply of coal are left in the UK?
- A50
- B350
- C80
- D300
- E250
17In an energy transfer such as an electric motor, what percentage of the election electrical energy put in may be wasted as heat due to friction in the moving parts?
- A45%
- B15%
- C20%
18The law of conservation of energy states: [blank_start]energy cannot be made or destroyed[blank_end]. It can only be [blank_start]changed from one form into another[blank_end].
- Aenergy cannot be made or destroyed
- Bchanged from one form into another
19What device transfers electrical energy into kinetic energy?
- AElectric engine
- BElectric motor
- CElectromagnetic motor
20[blank_start]Light[blank_end] energy can be seen but cannot be stored.
- ALight
21Name the three types of potential energy: [blank_start]gravitational[blank_end], [blank_start]strain[blank_end] and [blank_start]chemical[blank_end].
- Agravitational
- Bstrain
- Cchemical
22Energy possessed by moving objects is [blank_start]kinetic[blank_end].
- Akinetic
23The orbit of each planet is not quite a circle. It is an ellipse.
- AVerdadero
- BFalso
24Which two planets is the astroid belt between?
- AEarth
- BMars
- CJupiter
- DSaturn
- EVenus
- FMercury
25The inner planets in order of proximity to the sun are [blank_start]Mercury[blank_end], [blank_start]Venus[blank_end], [blank_start]Earth[blank_end] and [blank_start]Mars[blank_end].
- AMercury
- BVenus
- CEarth
- DMars
26Light changes direction when it passes from one material into another. This happens because it changes it speed. The effect is called [blank_start]refraction[blank_end].
- Arefraction
27A mirror reflects light so that the angle of incidence is not equal to the angle of reflection.
- AVerdadero
- BFalso
28Oil is formed from plants, which used the sun’s energy during photosynthesis and converted it to stored chemical energy in starch.
- AVerdadero
- BFalso
Información
- Descripción
- Quiz on Physics, created by Sacha Rose on 26/03/2019.
- Autor
- Sacha Rose
- Idioma
- English
- Visitas
- 0
- Historial
- Creado el 26 mar 2019 · actualizado el 28 mar 2019
- Etiquetas
- Valoración
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