Physical Science MidTerm Review

A testable prediction that predicts a cause and effect relationship between variables is a(n)

• hypothesis
• variable
• inference
• observation

A factor in an experiment that changes in response to the independent variable is the ____.

• constant
• control group
• variable
• dependent variable

All of the following are steps in the scientific method EXCEPT

• observing and recording data
• forming a hypothesis
• developing a model
• discarding data that doesn't match the hypothesis

Which of the following is a quantitative observation?

• The dog has two legs.
• The dog is small.
• The dog is cute.
• The dog is fuzzy.

Method for appropriately smelling unknown substances in the lab.

• waft
• conversion factor
• sniff
• open mouthed breathing

Objective; based on information gathered using the five senses.

• Observation
• Inference
• Law
• Theory

What is this piece of lab equipment called?

• beaker
• erlenmeyer flask
• bottle
• bunsen burner

What is this piece of lab equipment called?

• beaker
• erlenmeyer flask
• bottle
• bunsen burner

What is this piece of lab equipment called?

• beaker
• erlenmeyer flask
• bottle
• graduated cylinder

Calculate the density of a piece of iron with a volume of 20cm³ and a mass of 200 g?

• 40,000 g/cm³

• 0.1 g/cm³

• 10 g/cm³

• 200 g/cm³