Children and laboratory assistant makes physics experiment in science museum
Laboratory assistant stirs the drug in a plate
Preparation for the Experiment: Children Engage in Lab Play
scientist is experimenting in chemical laboratory with dangerous reagents, dropping liquid by pipet in plate
entertaining science. children conduct a scientific experiment at home
Children Conduct Chemical Experiments: Observing a Chemical Reaction. Science for Kids.
Scientists in coverall making some experiments in modern and top secret laboratory
Female scientist preparing for experiment in pharmaceutical laboratory. Pharmacist preparing for pharmaceutical research in chemical lab. Assistant preparing for working in research laboratory.
children's science. children conduct a chemical experiment at home. mixing of iodine and hydrogen peroxide