3rd Grade Science Test 1

Question 1

This has tough, dry, scaly skin that breathes with lungs.

Answer 1

Reptiles

Question 2

This breathes with gills when young, but breathes with lungs as an adult.

Answer 2

Amphibians

Question 3

This has fins, scales, and a clear coat of slime and breathes with gills.

Answer 3

Fish

Question 4

This has thin, smooth, moist skin.

Answer 4

Amphibians

Question 5

Examples of these are frogs and salamanders.

Answer 5

Amphibians

Question 6

Examples of these are turtles and snakes.

Answer 6

Reptiles

Question 7

How is temperature measured?

Answer 7

Scientists use a thermometer

Question 8

What is the temperature scale the scientists usually use?

Answer 8

Celsius Scale

Question 9

What are the two large groups animals are classified into?

Answer 9

Vertebrates and Invertebrates

Question 10

These kind of animals change their body temperature depending on their surrounding.

Answer 10

cold-blooded animals

Question 11

What is the change that happens when an amphibian becomes an adult?

Answer 11

metamorphosis

Question 12

What do vertebrates have that invertebrates do not have?

Answer 12

back bone

Question 13

What are the stages of metamorphosis?

Answer 13

egg –> tadpole –> adult

Question 14

These kinds of animals have the same body temperature all the time.

Answer 14

warm-blooded animals

Question 15

What are the two scales that temperature can be measured?

Answer 15

Fahrenheit scale and Celsius scale