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Nature of Science Exam

Authored by Carrie Talcott

Science

7th Grade

Used 10+ times

Nature of Science Exam
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18 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Objects and conditions that are moving are easier to observe, because our senses are especially good at noticing changes in our environment. Which condition does not fit into a "moving" category?

campfire wood

boiling water

a rusting hull of a ship

fireworks display

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Choose the item that can only be observed using some kind of instrument (i.e. NOT just with the senses).

a radio signal

the planet Venus

an earthquake

heat from the Sun

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

With which of the senses could you determine whether the temperature would support wearing shorts or pants on a given day?

touch

hearing

smell

sight

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hypothesis: Water is always denser than oil and we can test this by pouring equal quantities of water and cooking oil together in a container. The water sinks to the bottom and the oil is on top because it's less dense. We decide to change one factor: temperature. We put the mixture in a freezer all night. In the morning we notice that the water, now ice with bubbles, has risen to the top of the mixture. The oil is not frozen but is now on the bottom. Choose the best probable analysis to fit result.

When water freezes gas bubbles form making it less dense than oil and reversing their positions.

When oil freezes it becomes denser.

Oil and water don't mix and eventually separate in the cold.

Oil loses its viscosity when it is cooled and causing it to ooze beneath the ice.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What would be the best design for an experiment that tests how much water expands when frozen?

Purchase a small plastic container of bottled of water, any brand, commercially sealed. Mark water line with a marker. Place it in the freezing compartment of your refrigerator for 8 hours. Observe the results.

Purchase a small plastic container and mark increments of volume on the outside. Put in 5 ounces of water and place in the freezing compartment of your refrigerator for 8 hours. Compare the end (frozen) volume with the beginning (liquid) volume.

Take a small bowl and fill it half full of water. Mark the level. Place it in a freezing compartment of your refrigerator for 8 hours. Observe the results.

none of the above

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a person wanted to study volcanoes what area of science should he study?

earth science

chemistry

physics

none of the above

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following life sciences involves the study of fossil remains?

biophysics

agronomy

paleontology

zoology

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