Cells/Organelles
Scientific Methods
Atoms
Chemical Reactions
Classification of Matter
100

This organelle uses sunlight to make food for the plant.

Chloroplast

100

What is an independent variable?

Something that you can change

100

Positively charged particles are called?

Protons

100

The new substances formed after a chemical reaction.

Product

100

What is chemistry?

Chemistry is the study of matter.

200

Which organelle is known as the "powerhouse of the cell"?

Mitochondria

200

This type of data describes qualities using the senses.

Qualitative data

200

Neutral particles that don't have an electric charge

Neutrons

200

A reaction that absorbs energy from its surroundings.

Endothermic

200

Anything that has mass and takes up space.

Matter

300

What is the jelly-like substance inside the cell membrane called?

Cytoplasm

300

This type of data uses numbers and measurements.

Quantitative

300

A chart of the elements showing the repeating pattern of their properties

Periodic Table

300

The starting substances in a chemical reaction.

Reactants

300

A pure substance made of only one type of atom.

Element

400

What does a eukaryotic cell have that a prokaryotic one does not?

A Nucleus

400

This variable is measured during an experiment.

Dependent Variable

400

A substance made up of atoms of two or more different elements joined by chemical bonds.

Compound

400

A reaction that releases energy, usually as heat.

Exothermic

400

A mixture that is evenly mixed throughout; you cannot see the different parts. Also called a solution.

Homogenous/homogenous mixture

500

What are the 4 common parts of a cell?

DNA, ribosomes, plasma membrane, cytoplasm

500

An educated guess based on observations is called this.

Hypothesis

500

The center of an atom, which contains the protons and neutrons

Nucleus

500

A solid that forms when two liquids react.

Precipitate

500

Matter made of only one type of particle with a fixed composition.

Pure Substance