*Question*
Aairplane is used for moving people across bodies of water, and first jet airplane takes flight. Given these facts, what are used for moving people among the following options: - jets - wind - motors - the Moon - rats - cars - rice grains - Lift
**Answer**
jets

*Question*
Sunlight and rain can cause a rainbow, and rainbows are caused by internal reflection and refraction of sunlight or moonlight inside raindrops. Given these facts, what do sunlight reflections in raindrops make among the following options: - puddles - energy - light - rainbows - ponds - an image - a prism - lakes
**Answer**
rainbows

*Question*
Global warming is when worldwide temperature increases, and global warming affects wildlife . Given these facts, what gets affected when worldwide temperature increases among the following options: - consumers - mass - coral - density - volume - Pollution - fossil fuels - wildlife
**Answer**
wildlife

*Question*
The mass of an object causes the gravitational force exerted by that object, and gravity accelerates mass. Given these facts, what accelerates an object among the following options: - transportation technology - chemical messengers - kinetic energy - electromagnetic energy - gravitational force - flow of electrons - a hydraulic system - heat energy
**Answer**
gravitational force