Biology
Chemistry
Earth & Space
Physics
General Science
100
What is a plant usually called in a food web
producer
100
which chemical element has the symbol of O2
oxygen
100
what makes tides and waves on earth?
the moon
100
define the terms
a. mL
b. kL
a. millilitre
b. kilolitre
100
what are apple iphone 15 made of?
titanium
200
What method do plants use to grow?
photosynthesis
200
which colour of the Bunsten burners fire is the safety fire?
yellow
200
which force is responsible for keeping the earth in orbit around the sun?
gravity
200
what is the definition of a force?
a. change in direction
b. push or pull
c. change in speed
d. an object that has mass
b. push or pull
200
what sort of paper is used to filter with
filter paper
300
what animals does the cheetah prey on?
Impala, and gazelle
300
what is the hardest substance on earth
diamonds
300
what are the three dwarf planets called?
Pluto, Eris and Ceres
300
what are the forces acting on a skydiver?
air resistance, and gravity
300
does a feather and a bowling ball fall at the same time true or false
true
400
True or false
there can only be one producer in a web
false
400
how many forms of radioactivity are there?
3
400
which planets have no moons
mercury and venus
400
define an unbalanced force
a force that acts on an object that isn't equal or opposite.
400
does sound travel faster in water or air?
water
500
What classifies an animal as living?
(give five answers)
eat, sleep, breathe, move, reproduce.
500
what does salt do in water?
dissolve
500
Phobos and Deimos are the moons of which planet
Mars
500
which of the following examples are a force acting on an object
a. an apple falling from a tree
b. two magnets coming closer
c. sunshine drying wet clothes
a. and b.
500
how many elements are there on the periodic table?
118