Scientific Experiment Unit 1 LS

Every scientific experiment begins with a _____.

• Hypothesis

• Question

• Procedure

• Conclusion

The procedure of the experiment is _____.

• The question being answered

• The step-by-step instructions

• The graphs and tables used in the lab

• The answer to the question

A scientist wanted to know which kind of ball would bounce the highest. She took 5 different types of balls and dropped them at the same height with the same amount of force. Then, she recorded how high they bounced. What is the independent variable in this experiment?

• Types of balls

• Height the ball is dropped from

• The height of the bounce

• The amount of force used

A scientist wanted to know which kind of ball would bounce the highest. She took 5 different types of balls and dropped them at the same height with the same amount of force. Then, she recorded how high they bounced. What is the dependent variable in this experiment?

• Types of balls

• Height the ball is dropped from

• The height of the bounce

• The amount of force used

A scientist wanted to know which kind of ball would bounce the highest. She took 5 different types of balls and dropped them at the same height with the same amount of force. Then, she recorded how high they bounced. What is a control in this experiment? Select all that apply.

• Types of balls

• The starting height of the ball

• The height of the bounce

• The amount of force used when dropping the ball

Which of the following is a quantitative observation? Select all that apply.

• The liquid was red in color.

• The reaction produced 4.8 mL of liquid.

• The length of the strand was 0.25 cm.

• Substance A was heavier than Substance B.

• The mass of the rock was 91 grams.

In an experiment, the scientist changes the _____ variable. Write your answer in lower case.

• dependent

• independent

• controlled

• constant

Rulers, meter sticks, and measuring tape all measure _____. Write your answer in lower case.

• mass

• volume

• length

• temperature

The International System of Units (SI System) is also called the _____. Write your answer in lower case letters, and it is 2 words.

• metric system

• imperial system

• customary system

• standard system

You place a penny on a triple beam balance. You will likely measure the penny’s _____.

• Mass

• Length

• Volume

• Temperature