Which metal is used for the wire inside these electrical plugs, [iron, copper, or silver]?
copper
A reflected sound is called an ___________.
echo
TRUE or FALSE: If you put the south poles of two magnets close to each other, they will attract each other
FALSE. They will repel each other
The time it takes for the Earth to rotate once in its axis is called a _______. [day, month, or year?]
day
What is the process called when seeds are spread away from the plant? [germination, reproduction, fertilisation, or dispersion]?
dispersion
The image shows the particles of a matter. What state of matter is this? [solid, liquid, or gas]?
gas
The image shows a food chain. How many "producers" are there?
only one: the plant
In water cycle, name the process that happens when liquid water forms in clouds.
condensation
The image shows a part of the digestive system. What is the name of this part?
stomach
Give the missing word: When you play a guitar, it produces a sound due the _____________ of the strings. (Hint: starts with "V")
vibration
Give the missing word: A parachute provides great ________________ so that a skydiver can fall slowly and safely onto the ground. (hint: two words)
air resistance
Which part of a plant makes food for itself?
leaf
Give the missing word: A car tyre wears out after sometime because of the force called ___________. [hint: starts with "F"]
friction
