No, Sue, spiders are arachnids and have some different characteristics. Spiders have eight legs and two main body parts. They do not have antennae or wings. Take a look at the insect facts on this page, and you will see the difference. Thanks for sending us your question.
Acorns are the seeds of oak trees.
They are also a source of food for some birds and other animals such as squirrels. Memorize a tree by your sense of touch. Have a friend blindfold you and see if you can recognize your tree from others. Take a close look at some water from a pond by viewing it through a magnifying glass. Circle the insects.