What are the divisibility rules for 2
The last digit must be even.
What are the divisibility rules for 25
The last two digits must be 00, 25 ,50 or 75.
The number is a multiple of 7. It is greater than 30. It is less than 50. The sum of its digits is 13.
49
What is a conductor
A material that allows electricity to pass through
What is condensed
Made more / Compressed
What are the divisibility rules for 3
The sum of the digits must be divisible by 3
What are the divisibility rules for 100
The last two digits must be 00
The number is less than 80. It is a multiple of 5. The sum of the digits is 10. It is odd.
55
What is an insulator
A material that does not allow electricity to pass through
What is a series circuit
An electric path where electricity flows one way
What are the divisibility rules for 4
The last two digits must be divisible by 4
What is a factor
It is a number that can divide another number without a remainder.
The number is prime. It is less than 50. It has two digits which are both the same.
11
What is current
The flow of electricity
What is friction
A force which tries to stop things sliding past one another
What are the divisibility rules for 5
The last digit must be 5 or 0
What is a multiple
It is a number that can be divided by another number without a remainder
The number is a square number. It is less than 100. It is a multiple of 9.
36 / 81
What is air resistance
The force of air pushing against things
What is lubricate
To put a substance, such as oil, on a surface in order to reduce friction
What are the divisibility rules for 10
The last digit must be 0
What is a prime number
A number that can be divided by one and itself
The number is a two-digit number. It is a factor of 72. It is a multiple of 6. It is between 30 and 50.
36
What is distilled
To be clean (cleaned)
What is an alloy
A mixture of metals