cells
name 3 different specialised cell
red blood cell, neurone, ciliated cell, palisade cell, roothair cell
what is it called when a gas turns into a liquid
condensation
state the word used to describe a space that has particles in it
vacuum
are viruses made of cells?
no, viruses are not made of cells.
sounds travel through air as a ____
sound wave
complete the sentence
a group of similar cells is called a _____
tissue
A substance made of just one kind of atom is called a ____
element
what is the name of the quantity of matter in an object
mass
name 3 properties of metals
malleable, ductile, sonorous, shiny, expensive, magnetic, strong
state the name of the part of the earth that forms the centre
core
name two cell parts that animal cells do not contain
chloroplast and cell wall
what is the name of the element with the symbol of P
phosphurus
The pull from the Moon's gravity is called a ____
tidal force
mention the 7 characteristics that living organisms have
movement, respiration, sensitivity, growth, reproduction, excretion, nutrition
who made the continental drift theory
Alfred Wegener
give the name for the organisms that have more than one cell
multicellular organism
what are the element in hydrogen sulfide
hydrogen and sulfur
which two measurements have the same units?
weight and force
name 3 properties that is shared by almost all non-metals
-they are brittle
-they are dull
-they are insulators
state 2 examples of useful echos
-bats use echoes to find food
-boats can use echoes to find the depth of water under the boat
-used to make images of a unborn baby
mention the function of vacuole
it contains cell sap to mantain pressure in the cell
which three elements is combined in calcium nitrate
calcium, nitrogen, oxygen
what are tides?
the change in depth of the water
name 3 properties that is shared by many non-metals
-they are gases
-not as hardwearing as metals
-have low melting and boiling points
what are the 3 boudaries of the tectonic plates
convergent, divergent, transform