Fact 1: Phase changes do not change mass. Fact 2: Melting is a phase change. Given the two facts above, what does melting not change? ?
OPTIONS:
- energy
- vapors
- fats
- mass
- liquid
- ligt
- heat
- copper
mass

Fact 1: Preventing the transfer of heat from an organims 's body causes that organism to keep warm. Fact 2: Sweat cools the body and prevents internal heat from getting too high. Given the two facts above, what will increase the amount of heat that is transferred from the body?
OPTIONS:
- shivering
- Evaporation
- exercise
- warm environments
- wearing a hat
- Movement
- dehydration
- sweating

Answer: sweating

Question: Fact 1: Chloroplasts contain the green pigment chlorophyll. Fact 2: Animals lack chloroplasts. Given the two facts above, what do animals not have?
OPTIONS:
- Bodily water
- spine
- skin
- chlorophyll
- Energy.
- glucose
- brain
- kinetic energy
Answer: chlorophyll

input with options: Fact 1: Adelta is formed by deposition of sediment at the mouth of a river by water fanning out. Fact 2: After sediments are deposited, they are gradually buried by more sediments. Given the two facts above, what can lead to the gradual burial of more sediments?
OPTIONS:
- erosion
- loose soil
- an ocean
- a wave
- a delta
- wind
- a lake
- flooding
output: a delta

Q: Fact 1: Antigens are molecules that the immune system recognizes as foreign to the body. Fact 2: Children are born with an immature immune, or defense, system. Given the two facts above, what are molecules that the defense system recognizes as foreign to the body?

OPTIONS:
- Allergies
- lungs
- antigens
- bacteria
- parasites
- atoms
- red blood cells
- acetic acid

A: antigens

Fact 1: Water vapor cooling causes that water vapor to condense. Fact 2: Water is made up of H2O molecules. Given the two facts above, what type of vapor cooling causes that vapor to condense?
OPTIONS:
- Dew
- CO 2
- CFCs
- rain
- SO2
- H20
- NaCl
- h2o
h2o