Chemistry
These are found in the nucleus and have a positive charge.
proton.
Can a fire have a shadow?
Fires can have shadows because they contain hot air and soot, and not because they contain light.
Why does life exist at all?
survival.
How do geologists use carbon dating to find the age of rocks?
measuring how much carbon-14 is left relative to the carbon-12
Is the universe infinite?
Yes.
These are found and have a neutral charge.
neutron.
Can air make shadows?
Air is transparent and does not absorb or reflect much light, hence it is improbable to have a shadow.
What makes life different from non-life?
Non-living things do not eat, grow, breathe, move and reproduce. They do not have senses.
What keeps the continents floating on a sea of molten rock?
Under the continents is a layer of solid rock known as the upper mantle or asthenosphere.
How many stars are there in our galaxy, the Milky Way?
200 billion stars.
these are found outside the nucleus and have a negative charge.
electron.
Can gold be created from other elements?
Yes, gold can be created from other elements.
Why do some individuals die and some live?
our cells die.
Normal, reverse, strike-slip, and oblique are the four types of what things found in the Earth's crust?
Faults
Is the moon a planet?
No.
this is how you find the number of neutrons in an atom.
subtract the atomic number from the atomic mass.
Can light bend around corners?
Light can bend around edges.
How random is nature?
There are many processes in the natural world that are chaotic and random.
Mostly found shifting around under its water, what ocean is the namesake of Earth's largest tectonic plate?
Pacific Ocean
Can a planet have 2 suns?
Yes.
protons, neutrons
Can momentum be hidden to human eyes like how kinetic energy can be hidden as heat?
No, because momentum is directional, it cannot be hidden from the human eye in the form of random atomic motion.
Why do life forms look the way they do?
their way of life makes them suited to survive and reproduce in their habitats.
What type of rock is formed by the accumulation of mineral at the Earth’s surface?
sedimentary
Does sound travel faster or slower in space compared to on earth?
Slower. In fact, it does not travel at all.