The animal group that only lives in water.
What is Fish?
The planet that humans live on.
What is Earth?
What is light?
The animal group that gives live birth.
What is a mammal?
The planet that is closest to the sun.
What is Mercury?
Sound has to travel through this.
What is a medium?
The animal group that lives both in water and on land.
What is an amphibian?
The planet that is farthest from the sun.
What is Neptune?
Light travels fastest in this.
What is a vacuum? (or space)
The animal group without a backbone.
What is an invertebrate?
The biggest planet in the solar system.
What is Jupiter?
Light and sound travel in this.
What is a wave?
An animal group that has scales.
What is a reptile?
What is the coldest planet in the solar system?
What is Neptune?
The three mediums sound travels through.
What is a solid, liquid and gas?