Fact 1: If gas is heated then that gas will expand. Fact 2: Nitrogen gas is the most abundant gas in the atmosphere. Given the two facts above, answer the question "What does nitrogen do when it's heated" with the following options: - Expands - boiling - moves - Solidifies - Melts - heat - burning - Condenses
Expands

(Question)
Fact 1: Energy is used for heating a building by a heating system. Fact 2: Radiators are used to heat the building, The energy source is oil. Given the two facts above, answer the question "What is used to heat a building by a heating system?" with the following options: - engines - wind - insulation - photons - radiator - body heat - calcite - ice
(Answer)
radiator

Ques: Fact 1: When the seasons change from the summer to the fall , the amount of daylight will decrease. Fact 2: Seasons are caused by the tilt of the earth's axis. Given the two facts above, answer the question "What determines the amount of daylight earth gets? " with the following options: - Heat energy - The darkness it gets - The bending of a ray of light - The tilt of the axis - The tilt of the sun's axis - electromagnetic energy - The brightness of the earth - rain or sun shine
Ans: The tilt of the axis

(Q).
Fact 1: When metal conducts heat , that metal expands. Fact 2: Conduction is the passing of heat through a medium. Given the two facts above, answer the question "What is the result of imperfect passing of heat through a metal, on that metal?" with the following options: - contamination - expansion - sweating - Energy. - forces - burning - Evaporation - electricity
(A).
expansion

Ques:Fact 1: Tidal energy can be used to produce electricity. Fact 2: Electricity travels in currents. Given the two facts above, answer the question "what can tidal energy be used to produce?" with the following options: - energy - engines - offspring - waves - currents - adding heat - moon units - precipitation

Ans:currents

Ques:Fact 1: Cutting down trees has a negative impact on an ecosystem. Fact 2: Oak trees are so strong. Given the two facts above, answer the question "What has a negative impact on an ecosystem?" with the following options: - massive damage - Pesticides - good weather - Destroy bridges - planting trees - normal water levels - deforestation - cutting down oaks

Ans:
cutting down oaks