CIE iGCSE - Matter and Heat

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Density, pressure, particles, heat transfer

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
drop
Which of these descriptions matches which state of matter?  

2. Particles are widely separated.

3. Does not have a fixed shape.

4. Strong bonds hold the particles firmly in place.


5. Which answer best describes the difference between these 2 blocks?

BLOCK A
BLOCK B
 
  • 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

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)

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)

cylinder

What are the missing values in this table?

 
Substance
Mass (g)
Volume(cm3)

Density (g/cm3)

8
Wood
20
25
9
Copper
36
9
10
Glass
400
2.5
 

11. Which of the following units cannot be used for pressure?

  • A) Pascals
  • B) N/m
  • C) N/m2
  • D) atmospheres

12. What is the formula for pressure?

  • A) P = F x A
  • B) P = F / A
  • C) P = F x d
  • D) P = F / d

13. What pressure does this block of weight 6N cause on the desk?

  • A) 0.2 N/cm2
  • B) 0.5 N/cm2
  • C) 2 N/cm2
  • D) 5 N/cm2

block2

What are the missing values in this table showing the pressure under blocks of steel?

  Length (cm) Width (cm) Area (cm2) Force on ground (N) Pressure (N/cm2)
14
4
5
20
20
15
12
10
120
4
16+17
4
400
20