Quiz: Observations, Inferences, Scientific Method, Variables

Read each statement. Then choose whether the statement is an observation, inference, or prediction.

The container is filled to the 350 mL mark.

• Observation
• Inference
• Prediction

Read each statement. Then choose whether the statement is an observation, inference, or prediction.

The plant on the left is growing more because it has been receiving more sunlight. 

• Observation
• Inference
• Prediction

Read each statement. Then choose whether the statement is an observation, inference, or prediction.
I can jump high in tennis shoes because they have rubber on the bottom. 

• Observation
• Inference
• Prediction

Read each statement. Then choose whether the statement is an observation, inference, or prediction.
In 6 months, it will be too hot to go outside. 

• Observation
• Inference
• Prediction

Read each statement. Then choose whether the statement is an observation, inference, or prediction.
When the power is turned on, the game lights up and plays a song. 

• Observation
• Inference
• Prediction

Which of the following is a quantitative observation?

• The dog's tail is very long.
• The dog's tail is 13 inches long. 

Which of the following is a qualitative observation?

• My neighbor's house has four green shutters.
• My neighbor's house has green shutters. 

Which of the following hypotheses is testable and properly worded?

• If I get lucky, then my weight will decrease.
• If my weekly amount of exercise is increased, then my weight will decrease. 

Read the following hypothesis and choose the independent variable:

If the temperature of the water is increased, then the time the aspirin takes to dissolve will decrease. 

• The temperature of the water
• The type of aspirin, type of water, and the amount of water
• The time it takes the aspirin to dissolve

Read the following hypothesis and choose the dependent variable.

If the temperature of the water is increased, then the time the aspirin takes to dissolve will decrease. 

• The temperature of the water
• The type of aspirin, type of water, and the amount of water
• The time it takes the aspirin to dissolve