Match each term with the best definition wavelength visible light frequency amplitude A. electromagnetic radiation within certain parameters B. the rate of vibration of a wave C. the distance between two wave peaks D. the height of a wave peak or depth of a wave trough

+15-35=-20

going in opposite directions

the best answer for these questions would be:

1.            c. is smaller

2.            d) concrete operational

3.            b) interaction with the environment – the children interact with their environment can them learn more.

4.            a) parents who reason openly with children can limit a child’s cognitive ability.