Scientific Process Skills Review for Unit Test 0

In an experiment, the conclusion has found that the higher the temperature of the water, the faster the egg will boil. What is the independent variable of this experiment?

• The water

• The temperature of the water

• The egg

• How long it takes for the egg to boil

If controls are used in an experiment, then a valid and reliable result can be reached. Is this a true or false statement?

• True

• False

Tags

NGSS.MS-PS3-4

A (an) ______ is a conclusion based on observations.

• hypothesis

• inference

• variable

• experiment

The MIX variable is known as the _______ variable.

• controlled

• dependent

• independent

Tags

NGSS.MS-PS2-2

_______ involves drawing one's hand over the opening of a container in order to push the smell towards the nose.

• Touching

• Seeing

• Tasting

• Wafting

When conducting experiments, safety goggles should be worn. Is this a true or false statement?

• True

• False

Tags

NGSS.MS-PS1-6

The variable that is being tested is the manipulated variable. Is this a true or false statement?

• True

• False

Tags

NGSS.MS-PS2-2

In an experiment, students of different age groups were asked to put the same jigsaw puzzle together. They were timed to see how long it took. What is the controlled variable in this experiment?

• The time it took to put the puzzle together

• Students of different age groups

• Jigsaw puzzle

Nick wanted to see how high an ice cube would float in different temperatures of water. Identify the MIX variable.

• Amount of water

• Height of ice cube

• Temperature of the water

• Size of ice cube

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

Mario studied how far room temperature water would spurt out of a plastic milk carton when 3mm holes were punched at different heights from the bottom of the container. Identify the dependent variable in this experiment.

• 3 mm holes

• Distance water traveled out of the carton

• Different heights of holes in the container

• Plastic milk carton

Tags

NGSS.MS-PS2-2