Science one-word quiz
Write a one-word answer for each question.
Water vapour changing back into liquid water
Acids turn blue litmus paper this colour
The process by which green plants make their food
The smallest unit of life
The instrument used to see very tiny things
The bending of light as it passes from one medium to another
The SI unit of electric current
Frozen water is called
The bouncing back of light from a surface
The control centre of a cell
The SI unit of mass
The positively charged particles in the nucleus of an atom
The chemical formula H2O stands for
The organ that pumps blood around the body
The planet closest to the Sun
The gas we breathe in to stay alive
Animals that eat both plants and animals are called
The largest planet in the solar system
The process by which a seed starts to grow into a plant
The chemical symbol for sodium
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