TEST-QIDI

What are the starting materials in a chemical reaction called?

• Products

• Enzymes

• Catalysts

• Reactants

What are the substances produced by a chemical reaction called?

• byproducts

• products

• ingredients

• reactants

Which branch of Science is related with the process "Photosynthesis"?

• Physics

• Biology

• Chemistry

Which branch of Science is "Albert Einstein" famous for?

• Physics

• Biology

• Chemistry

Which branch of Science is related with "Cells"?

• Physics

• Biology

• Chemistry

Which branch of Science is related with the "Periodic Table"?

• Physics

• Biology

• Chemistry

What is the name of this apparatus

• Round bottom flask

• Conical flask

• Flat bottom flask

Which statement best describes the movement of carbon dioxide into or out of a plant during photosynthesis?

• it is taken from the air

• it is taken from the soil

• it is given off into the air

• it is given off into the soil

All radiation is harmful and has no use for humans.

• True

• False

When a newspaper is left in direct sunlight for a few days, the paper begins to turn yellow. The yellow color is evidence of a ____.

• neutralization

• physical change

• synthetic change

• chemical change