1.
soak up or take on a liquid
2.
you are allergic to something if it causes a reaction from inside your body
4.
cold-blooded animal which lives in water and on land and lays eggs
6.
an animal soon after birth
7.
one push of blood from your heart
8.
stopped from passing through
9.
red liquid that carries gases, food and waste around your body
10.
vessels tubes in your body, through which blood flows
11.
important organ in the head where we do all our thinking
12.
one intake of air by the lungs
13.
process of taking in and removing air from the body
14.
a material that is part of many natural materials including wood, coal and diamond
15.
a young butterfly or moth
16.
organising things into groups
17.
dioxide a gas that is made when things are burned
18.
an animal whose body is the same temperature as the surroundings
19.
the decision you come to after looking at your evidence
21.
animals which eat other living things
22.
a dent on a planet or moon caused by a rock from space hitting the surface
23.
a curved shape similar to a smile or a banana
24.
something that was alive but is not alive now
25.
a liquid made from oil that we use as a fuel in lorries and some cars
26.
when a material mixes with a liquid and becomes part of the liquid so that the solid cannot be seen
27.
what your body needs to make you move
28.
objects that can be used to do something
29.
activity that keeps us fit and healthy
30.
testing a set of tests where only one factor is changed each time
31.
move downwards because of the force of gravity
