Physical science ch1 review

The _______________ variable is what is measured in a controlled experiment. It is plotted on the Y axis.

• independent

• control

• dependent

• winning

 A _____________is a rule of nature that sums up related observations to describe a pattern in nature.

• Scientific law

• Scientific theory

• Personal theory

• Hypothesis

________ is the base unit for volume

• mL milliliter

• L liter

• g gram

• m meter

a possible suggestion for a certain phenomena based on the observations.

• inference

• guess

• idea

• hypothesis

step 1 of scientific method: observe,

Step 2: come up with a hypothesis

Step 3: have a controlled experiment

Step 4: __________

Step 5: analyze

• collect data

• talk to other scientists

• make conclusions

• ask a question

In a scientific experiment, the one variable that is purposely changed to test a hypothesis is called the

• independent variable

• Control variable

• dependent variable

• manipulated variable

What is the mass

• 190.4g

• 191g

• 190.4kg

• 90g

What is the volume of the rock

• 30mL

• 10g

• 20mL

• 10mL

A well-tested explanation for a wide range of observations or experimental results is called a scientific _____

• Theory

• Law

• Idea

• Inquiry

The large pink polka-dotted cake was placed on the round table. This would be an example of a (n)

• Qualitative observation

• Detailed description

• Quantitative observation

• Inference

Tags

NGSS.2-PS1-1