My Crossword Maker Logo
Powered by BrightSprout
Controls:
SPACEBAR SWITCHES TYPING DIRECTION
Answer Key:
Edit a Copy:
Make Your Own:
Crossword Word Search Worksheet
Rate This Puzzle:
Log in or sign up to rate this puzzle.

Science

Science Terms
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Across
5
Gives the embryo a rich supply of food
6
Most fishes also have a ________
7
Is the tough material of your nose
8
Dinosaurs are known as prehistoric _______
9
Means "double life"
11
Fish are _______
14
Most fish also have a _______ system
15
The union of sex cells outside the bodies if the parents
17
Mammals are ______ animals
18
Filled with fluid
19
Vertebrate belong to the phylum
20
They are sometimes called cold blooded animals
Down
1
Vertebrates belong to the phylum _______
2
An animal that has a backbone
3
Takes oxygen from the air and delivers oxygen to the blood
4
An animal that has a backbone
10
Also known as a gas bladder
12
Sharks belong to a class of fish called _______
13
They are sometimes called cold blooded animals
16
An egg that hold fluid that protects the embryo