Ques: If electricity is used for energy by computers, then electricity is used for energy by what? Answer choices: - cucumbers - cells - computers - humans - minerals - human computers - consumers - adding heat
Ans: computers

Ques: If burning wood converts chemical energy into light and heat energy, then what can convert chemical energy into light and heat energy? Answer choices: - engines - Hot water - Burning wood - Firecrackers - sound - Green beans - cigarettes - science
Ans: Burning wood

Ques: If the transfer of electrons occurs when substances react with one another, then what occurs when substances react with one another? Answer choices: - Something that causes allergies - metabolic reaction - refract or absorb. - transfer of electrons - The bending of a ray of light - Food poisoning - communication - oxidation reaction
Ans: transfer of electrons

Ques: If fire underneath an object will cause thermal expansion, then what underneath an object will cause thermal expansion? Answer choices: - ice - Gases - LEDs - iron - fire - energy - fan - nothing
Ans:
fire