genes
density
matter
body systems
ecosystems
100

How many chromosomes are in the human body?

46

100

Liquid A has a higher density than liquid B. Liquid A will _____________ in liquid B






sink

100

The temperature at which water becomes steam

boiling point 

100

What are the building blocks of life?

cells 

100

A process by which plants use the sun's energy to make food

photosynthesis

200

What is inside your chromosomes?

DNA

200

An object has a density of 2.4 g/cm3. Will it float in water? *





No, its density has more than the density of water



200

Kool Aid mix and water. Which one is the solvent?

water 

200

Which system is responsible for removing waste?

digestive

200

A non living thing is

abiotic

300

The scientific study of heredity is

Genetics



300

A substance with a high density has atoms ____________________ packed into a certain volume

tightly



300

All matter has the following properties

mass and volume 

300

Bones meet at ---?

joints

300

As more people have moved to the beach, the sea turtle population has decreased. Which is most likely the cause of this decrease?

habitat loss


400

About how many genes does the human body have?

20,000

400

A substance with a low density has atoms ____________________ packed into a certain volume



loosely 

400

When hot air/liquid rises and cool air/liquid sinks. What kind of heat transformation do you have

convection



400

What is the tube that goes from your mouth to your stomach?

esophagus

400

What will most likely happen to this food chain if a farmer decides to dust a wheat crop with an insecticide? wheat → insects → sparrows → hawks

There would be fewer sparrows seen in the fields.

500

Who is the father of genetics?

Gregor Mendel



500

What is the formula of Density?

D=m/v



500

A sample of atoms in a lab began to move much more rapidly and randomly than before. What MOST likely caused this change?

Heat was added to the atoms.



500

Which system has the brain as the main organ?

nervous

500

A carnivore that feeds on the bodies of dead organisms

scavenger