Y7 Phy BT 7_1 Mass ,Density and Relative Density

​ (a)   is also known as ​ (b)  

• Relative density
• specific gravity

​ (a)   with ​ (b)   ​ (c)   will ​ (d)   in water

• Substance
• relative density
• greater than 1
• sink

​ (a)   of a substance depends on its ​ (b)   and ​v........... (c)  

• Density
• mass
• volume

The ​ (a)   of a ​ (b)   can be determined by using a ​ (c)   or physical ​ (d)  

• mass
• solid
• beam
• balance

The ​ (a)   of a body can be ​ (b)   by ​ (c)   like ​ (d)   , physical balance and weighing scale

• mass
• determined
• instruments
• beam balance

1 ​ (a)   = ​ (b)   Kg ms^-2

• N
• 1

The ​ (a)   of a body ​ (b)   ​ (c)   from ​ (d)   to place

• mass
• does not
• change
• place

The ​ (a)   of a ​ (b)   ​ (c)   from ​ (d)   to place

• weight
• changes
• place
• body

​ (a)   with ​ (b)   greater than ​ (c)   will sink in ​ (d)  

• Substance
• relative density
• water
• 1

You can ​ (a)   the ​ (b)   of ​ (c)   , liquid and ​ (d)  

• measured
• density
• solids
• gases