# Science Unit 1 Review: Question Preview (ID: 30741)

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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.
a) 3 mm holes
b) distance water traveled out of carton
c) different heights of holes in container
d) ice water from Iceland

Tiffany was investing how fast it took Hayden to react to different sounds. Identify the dependent variable.
a) different sounds
b) how fast Hayden reacted
c) how much time it took Hayden to react
d) playing the trumpet over and over

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 a constant.
a) ice water from Iceland
b) different heights of holes in container
c) 3 mm holes
d) distance water traveled out of carton

Justin usually blows his nose using Kleenex tissues. His snot keeps leaking through the tissue. He decided he is going to create an experiment to find out if there is something better. What is his independent variable?
a) type of tissue
b) Justin
c) amount of tissue
d) mass of the snots the tissue can hold

Control variables are
a) Variables that do not change
b) Variables that change because of the experiment
c) Variables that change because of the experimenter
d) Variables that change because of the effects

Quantitative observation means
a) a reasonable explanation for what happened based on direct observations.
b) to put items into groups by shape, size, color or whatever attributes that are alike or similar.
c) observations of objects by comparing the shape, size, color of an object.
d) observations of objects by comparing how many, or how much of an object using measurement and numbers.

Qualitative observation means
a) a reasonable explanation for what happened based on direct observations.
b) to put items into groups by shape, size, color or whatever attributes that are alike or similar.
c) observations of objects by comparing the shape, size, color of an object.
d) observations of objects by comparing how many, or how much of an object using measurement and numbers.

Observe means
a) examines the properties or attributes of an object and their interactions using your senses and measurement.
b) a reasonable explanation for what happened based on direct observations.
c) to form an idea of an expected result (make a guess)
d) to put items into groups by shape, size, color or whatever attributes that are alike or similar.

Classify means
a) examines the properties or attributes of an object and their interactions using your senses and measurement.
b) a reasonable explanation for what happened based on direct observations.
c) to put items into groups by shape, size, color or whatever attributes that are alike or similar.
d) observations of objects by comparing how many, or how much of an object using measurement and numbers.

Infer means
a) observations of objects by comparing the shape, size, color of an object.
b) to put items into groups by shape, size, color or whatever attributes that are alike or similar.
c) a reasonable explanation for what happened based on direct observations.
d) observations of objects by comparing how many, or how much of an object using measurement and numbers.

Predict means
a) examines the properties or attributes of an object and their interactions using your senses and measurement.
b) a reasonable explanation for what happened based on direct observations.
c) to form an idea of an expected result (make a guess)
d) observations of objects by comparing how many, or how much of an object using measurement and numbers.

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