Corpus Christi Year 7 Energy Matters 2010 Quiz
Energy Matters Quiz- 25 Multiple Choice Questions. Students are to select the correct answer to the following questions.
- 1.1. Which group below are all liquids?
- A.
Water, salt, alcohol
- B.
Water, sugar, sea water
- C.
Alcohol, water and milk
- D.
Water, milk and flour
- 2.2. Substance which take the shape of their container, and take up a fixed amount of space are known as:
- A.
Solids
- B.
Liquids
- C.
Gases
- D.
Fluids
- 3.As the temperature of a substance increases, its particles
- A.
Move faster
- B.
Move slower
- C.
Move at the same speed, but further apart
- D.
Stick together more
- 4.A steel ball just fits through a steel ring at room temperature.The ball is then heated and now no longer fits through the ring. Choose which sentence below explains this using the particle model.
- A.
The particles in the ball start to move faster and the ball expands
- B.
The particles slow down and making the ball larger
- C.
The particles speed up and compress the ball
- D.
The particles speed up and as the ball gets very hot.
- 5.Clouds are formed when:
- A.
Ice melts
- B.
Water evaporates
- C.
Water vapour condenses
- D.
Water freezes
- 6.Diffusion occurs when:
- A.
A particles in a liquid are poured
- B.
A a container explodes
- C.
A gas moves around, taking up the space in its container
- D.
A solid or liquids turns into a gas
- 7.When an object expands, its volume will-
- A.
Increase
- B.
Decrease
- C.
Stay the same size
- D.
A solid or liquid turns into a gas
- 8.Which of the following is correct?
- A.
Only gases contracted when cooled
- B.
Both gases and solids contract when cooled
- C.
Solids, liquids and gases contracted when cooled
- D.
Non of the above- all substances expand when cooled
- 9.The transfer of heat by passing of vibrations from particle to particle in a substance is called:
- A.
Reflection
- B.
Convection
- C.
Conduction
- D.
Radiation
- 10.What are the units of measurement for the volume of liquids:
- A.
Mm
- B.
ML3
- C.
Cm
- D.
ML
- 11.The densities of solids, liquids and gases relate to-
- A.
How closely the particles are packed into a unit volume
- B.
The mass of the particles
- C.
How closely the particles are packed into a unit volume, as well as the mass of the particles
- D.
Particle arrangement
- 12.Which state of matter can be easily compressed?
- A.
Solids
- B.
Liquids
- C.
Gases
- D.
Gases and liquids
- 13.If a black and a white car are left in the sun, which one would be hotter and why?
- A.
White, absorption of heat
- B.
Black, absorption of heat
- C.
White, reflection
- D.
Black, reflection
- 14.Water boils at which temperature:
- A.
0°C
- B.
100°C
- C.
50°C
- D.
75°C
- 15.When a substance changes from a solid to a liquid, the change of state is called:
- A.
Melting
- B.
Evaporating
- C.
Condensation
- D.
Freezing
- 16.When a substance changes from a liquid to a gas, the change of state is called:
- A.
Freezing
- B.
Evaporation
- C.
Condensation
- D.
Solidification
- 17.Dry Ice is an example of sublimation. It changes state from:
- A.
Solid to a liquid
- B.
Liquid to a gas
- C.
Solid to a gas
- D.
Gas to a solid
- 18.What three things can happen to radiation heat when it reaches an object?
- A.
Transmitted, absorbed, reflected
- B.
Insulated, transmitted, shrink
- C.
Decreased, absorbed, conducted
- D.
Transmitted, increased, insulated
- 19.A clinical thermometer is used to take human temperature. The liquid used in clinical thermometers to measure temperature is
- A.
Alcohol
- B.
Mercury
- C.
Potassium
- D.
Milk
- 20.Which group below has only properties of a solid?
- A.
Fixed shape, can be compressed, particles spread out
- B.
No fixed shape, can't be compressed, particles tightly together
- C.
Fixed shape, can't be compressed, particles tightly together
- D.
Changes shape, can be poured, particles tightly together
- 21.A convection current is caused as warm particles move up and cooler particles move down. A convection current can occur in -
- A.
Solids, liquids and gases
- B.
Gases
- C.
Liquids
- D.
Liquids and gases
- 22.Air is a mixture of gases. The gas that has the highest percentage component in the atmosphere is:
- A.
Nitrogen
- B.
Oxygen
- C.
Carbon Dioxide
- D.
Water Vapour
- 23.Which of the following is NOT a change of state?
- A.
Precipitation
- B.
Water puddles disappearing on a hot day
- C.
Ice disappearing into a drink
- D.
Mist forming on a mirror when you have a shower
- 24.An insulator:
- A.
Is a good conductor of heat
- B.
Is a poor conductor of heat
- C.
Readily absorbs radiation from the sun
- D.
Is needed for a substance to change state
- 25.When water is being heated by a Bunsen Burner, it begins to boil. Why does the temperature of the water not change even though more energy is being added by the Bunsen?
- A.
It is not hot enough
- B.
Energy is used to break bonds between particles
- C.
The thermometer cannot go any higher
- D.
Energy is used to create stronger bonds between particles
Questions: 10 | Attempts: 42100 | Last updated: Jul 2, 2022
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Sample QuestionWhich statement explains why a pencil looks broken when placed in a cup of water?
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