Unit 1, Topic 1 Concept Check

Chemistry is a _____ science.

• physical

• biological

• celestial

Matter is defined as anything that has ____ and ____.

• mass and volume

• color and odor

• weight and temperature

Chemistry is the study of ___.

• rocks and fossils

• matter

• living things

When using the scientific method, what occurs FIRST?

• communication

• experimentation

• observation

When making an observation, you must only state...

• opinions

• facts

• numerical information

In which step of the scientific method would you collect new data?

• experiment/investigate

• observe

• analyze/evaluate

When using the scientific method, what occurs LAST?

• observation

• experimentation

• communication

Why is it important for scientists to communicate their findings?

• So they can feel smart.

• So other scientists can verify results.

• So they are eligible to win awards.

What is a hypothesis?

• A testable statement or idea

• a final analysis

• a step-by-step procedure

Which of the following statements contains a quantitative observation?

• The liquid is blue.

• The solid weighs 12.0 grams.

• The gas has a strong odor.