What is the name of the process in which plants use the sunlight to make their own food from carbon dioxide and oxygen?
a) metamorphosis
b) phonology
c) puberty
d) photosynthesis

Which type of energy resource is relatively inexpensive, but produces air pollution?
a) coal
b) solar
c) wind
d) geothermal

Which of the following is one of the six kingdoms?
a) human
b) Earth
c) Plant
d) Weather

Which of the following formulas is the formula to find density?
a) PV=nRT
b) P1V1=P2V2
c) m/v
d) E= hf

Which is a characteristic that all living things have in common?
a) having a body
b) having cells
c) living on land
d) needing sunlight

A roller coaster car has no motor. It moves along its track as gravity pulls it downhill. Which kind of energy is at its ighest at the top of a hill and at its lowest at the bottom of the hill?
a) kinetic energy
b) mechanical energy
c) potential energy
d)

Which of the following is an example of the protest kingdom?
a) algae
b) plant
c) fungi
d) fern

What does acceleration look like in a graph of velocity over time?
a) sloped line
b) broken line
c) blank space
d) horizontal line

You are planning to conduct an experiment on plant growth. You have decided to use several trays of plants for your experiment. As you develop your experimental procedure, you should make sure you are-
a) keeping all variables the same, except for the one

A cook places a cold spoon in a bowl of hot soup. The temperature of the spoon soon increases. Which describes what is happening to the spoon in terms of thermal energy?
a) there is no transfer of thermal energy to the spoon
b) the spoon is heated through

Which of the following organisms belong to the kingdom Protista?
a) elephant
b) single cell with no nucleus
c) eagle
d) snail

Which diagram lists the different levels of organization within an ecosystem from the least specific (largest group) to the most specific (smallest group)?
a) community- ecosystem- population- organism
b) ecosystem- community- population- organism
c) ecos

A student studies how plants grow when exposed to different colors of light. Which is the best hypothesis for this experiment?
a) plants need light to grow
b) plants grow best in green light
c) plants grow more leaves when exposed to green light than blue

Which series shows the energy transformations that take place in a flashlight?
a) chemical energy- electrical energy- light energy
b) chemical energy- mechanical energy- thermal energy
c) electrical energy- chemical energy- light energy
d) thermal energy-

A biologists uses gloves, goggles, and a mask when working with certain prokaryotes. Why does she use such safety equipment when working with prokaryotes?
a) some prokaryotes have nuclei
b) some prokaryotes cause disease
c) some prokaryotes are autotrophi

A sample of an unknown liquid has a mass of 250 g and a volume of 25 mL. What is the density of the liquid?

You place 20 bean seeds in a dish lined with paper toweling. You place another 20 bean seeds in an identical dish. You put the first dish on the windowsill. You put the second dish in a dark closet. Each day you use a dropper to add equal amounts of water

A girl want to use rechargeable batteries instead of disposable batteries in her music player. To recharge the batteries, she places them in a rechargeable device that plugs into an electrical outlet in her home. What kind of energy transformation takes p

Sientists used to classify Archabacteria and Eubacteria in the same kingdom. Now, they are classified as separate kingdoms and separate domains. Which evidence supports the separation of these two kinds of organism into separate domains?
a) genetic diffe

A sample of an unknown liquid has a mass of 796 g and a volume of 4 mL. What is the density of the liquid?