A person who studies physics is known as a?
Physicist
A group of dog offspring is known as a ?
Little
what is the muscle that pumps blood throughout your body ?
cardiac muscle
What type of gas is provided by trees and helps us to breathe?
Oxygen
Unlike most other fish, sharks have no ______?
bones
Metals expand when heated and do what when cooled?
contract
In which part of the human body can the longest muscle be found?
Thigh (leg)
How many chambers does the human heart have?
4
What do plants require to survive? (3 things)
sunlight, water, and oxygen
Whenever you chew food, what is squirted in your mouth?
saliva
Electric power is typically measured in what units?
watts
The death of every member of a particular species is known as what?
Extinction
Which human body system breaks down food?
The digestive system
What is the name of the tube that carries blood to the heart?
vein
What human organ cleans fifty gallons of blood every day?
kidneys
What is the earth’s primary source of energy?
the sun
Which animal can lift up to 50 times its body weight?
an ant
What is the only part of the human body that cannot repair itself?
Teeth
Is a horse herbivore, carnivore or omnivore?
herbivore
True or false? A salamander is a warm blooded animal?
False
What kind of eclipse do we have when the moon is between the sun and the earth?
A solar eclipse
How many bones are there in a giraffe’s neck?
Seven (just like humans)
What is hair made of?
Keratin
Which organ do insects NOT have?
lungs
Botany is the study of?
Plants