Use the word 'variable' in a sentence

In an experiment, two children grow the same kind of plant in the same place for a month. The boy waters the plant once a day and the girl waters the plant twice a day. What is the variable in this experiment?

The part of the experiment that stays the same is known as the what?

1. Put 20ml of liquid into the test tube. 2. Add the crystals. 3. Stir the ingredients. Instructions like this in science are known as the what?

Give a definition of the word 'constant'

Name five different items of equipment used in science

Give one example of a practical task in science

Think of a word that rhymes with beaker

Use the word 'practical' in a sentence