Science
"S"even letter words
Singers Shared First Names
Politics and Current Affairs
Back Peddling
100

These variations in the level of the oceans have the most variation at the new moon

The Tides
100

A hypodermic instrument to inject fluids into the body

a syringe

100

Chesney & Loggins

Kenny

100

Longtime friend & coworker Ruth Bader Ginsburg wrote the foreword to a book of speeches by this late justice

Scalia

100

"Jack's back", promised this fast food franchise

Jack in the Box

200

Development of an organism from gamete to fetus is the focus of this -ology

embryology

200

Use this tube & enjoy a view of the threadfin butterfly & other reef fish

a snorkel

200

Nicks & Wonder

Stevie

200

"Escape from Camp 14" is the story of Shin Dong-Hyuk's escape to freedom from a prison in this country

North Korea

200

Old MacDonald might have used this insurance company that "gets you back where you belong"

Farmers

300

This type of cloud that can ruin a picnic grows from cumulus clouds & the word grows from "cumulus" too

cumulonimbus

300

It's a malicious computer program that gathers info about a user & then transmits it to an outside entity

spyware

300

Trevi & Gaynor

Gloria

300

This host of "Hardball" gives a behind-the-scenes portrait of a presidential brother in "Bobby Kennedy"

Chris Matthews

300

"I want my baby back baby back baby back...ribs" enticed you to this eatery

Chili's

400

Crossword puzzle addicts know "ase" is a common ending for these, catalyzing proteins produced by cells

enzymes

400

A long-handled pan used for frying food

a skillet

400

Bolton & Buble

Michael

400

"The Weapon Wizards" is a study of the strategies that have helped make this Mideast nation a high-tech superpower

Israel

400

These cheesy little crackers are "the snack that smiles back"

Goldfish

500

First predicted in 1930, this particle with no charge goes through miles of matter without reacting with a proton or neutron

neutrinos

500

A cancerous growth of the soft tissues, usually appearing at first as a painless swelling

a sarcoma

500

Maines & Merchant

Natalie

500

"Kingfish" explores the life of this Louisiana governor some call a demagogue & some a visionary

Huey Long

500

An ad for the 1973 Pinto said, "When you get back to basics, you get back to" this company

Ford