The Correlation Study of Interest at Physics and Knowledge of Mathematics Basic Concepts towards the Ability to Solve Physics Problems of 7th Grade Students at Junior High School in Ambon Maluku Province, Indonesia

Table 1

The instrument validity and reliability analysis results.

Instrument	Validity		Note	Reliability	Note
	Interest at Physics	0.80				0.195	Valid	0.90	Reliable
Knowledge of Mathematics basic concept	0.75	0.71
Ability to solve Physics problems	0.50	0.72