1.
Which of these sentences is true?
- A). In a gas the particles have strong forces between them
- B) Liquids fill completely the container they are in
- C) The forces are strong between particles in a solid
- D) Particles in a liquid move faster than in a gas
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| Which of these descriptions matches which state of matter? |
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2. Particles are widely separated. |
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3. Takes the shape of the container it is in. |
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| 4. Strong bonds hold the particles firmly in place. |
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5. Which answer best describes the difference between these 2 blocks?
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- A) Block A has a larger volume than block B
- B) Block B is denser than block A
- C) Block A has more mass than block B
- D) Block A has more tightly packed particles than block B
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6. What is the formula for density?
- A) Density = volume x mass
- B) Density = volume / mass
- C) Density = mass / volume
- D) Density = ½ x mass x (volume)
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7. Which of these calculations is the right one to find the mass of water in a cylinder?
- A) (mass of cylinder) + (mass of water and cylinder)
- B) ( mass of cylinder and water) - (mass of water)
- C) (mass of cylinder) - (mass of water and cylinder)
- D) ( mass of cylinder and water) - (mass of cylinder)
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8). A block of steel has a volume of 50 cm3, a length of 4cm and a width of 5cm. The height of the block is
- A) 2 cm
- B) 2.5 cm
- C) 5 cm
- D) 10 cm
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What are the missing values in this table?
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Substance |
Mass (g) |
Volume(cm3) |
Density (g/cm3) |
| 9 |
Wood |
20 |
25 |
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| 10 |
Copper |
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36 |
9 |
| 11 |
Glass |
400 |
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2.5 |
| 12 |
Gold |
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1.9 |
19 |
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13. Which of the following units cannot be used for pressure?
- A) Pascals
- B) N/m
- C) N/m2
- D) atmospheres
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14. What is the formula for pressure?
- A) P = F x A
- B) P = F / A
- C) P = F x d
- D) P = F / d
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15. A block of mass 600g rests on a desk as shown. What is the weight of the block?
- A) 0.6kg
- B) 6kg
- C) 6N
- D) 60N
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16. What pressure does this block cause on the desk?
- A) 0.2 N/cm2
- B) 0.5 N/cm2
- C) 2 N/cm2
- D) 5 N/cm2
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What are the missing values in this table showing the pressure under blocks of steel?
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Length (cm) |
Width (cm) |
Area (cm2) |
Force on ground (N) |
Pressure (N/cm2) |
| 17 |
4 |
5 |
20 |
20 |
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| 18 |
12 |
10 |
120 |
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4 |
| 19+20 |
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10 |
60 |
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5 |
| 21+22 |
4 |
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400 |
20 |
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23. The diagram shows particles of a gas inside a box.
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If we heat the box up, which of these statements is true?
- A) The particles move closer together
- B) The particles move slower
- C) The particles expand
- D) The particles have more kinetic energy
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24. Which statement best describes what happens to the particles in this box at absolute zero?
- A) They freeze
- B) They stop moving
- C) They hit the sides of the box but with a lower force
- D) The volume of each particle decreases
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| 25. What temperature is absolute zero?
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Convert these temperatures :-
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celcius |
kelvin |
| 26. |
100 |
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| 27. |
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500 |
| 28. |
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173 |
| 29. |
-27 |
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30. A system that uses the transfer of pressure in a liquid to increse the force in a machine is called a
- A) pneumatic system
- B) force multiplier system
- C) kelvin system
- D) hydraulic system
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The volume of an air bubble in water is 60cm3 at a pressure of 4 x 105 pascals. The bubble expands as it rises to the surface.
31. What will be the volume in cm3 at a pressure of 1 x 105 pascals? |
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32. What is the pressure of the water when the bubble has a volume of 80cm3?
- A) 2 x 105 Pa
- B) 3 x 105 Pa
- C) 4 x 105 Pa
- D) 5.33 x 105 Pa
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33. Which of these graphs correctly shows the relationship between pressure and volume of a fixed mass of gas?
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The gas in a drinks bottle is heated from -100C to 200C.
The volume in the bottle stays constant. |
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34. If the initial pressure was 200kPa, the new pressure is approximately
- A. 400 kPa
- B. 223 kPa
- C. 207 kPa
- D. 180 kPa
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