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1.4 Test Review
1.4 Test Review
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1
Which problem does this model of the solar system solve?
The real-life solar system is too small when viewed through a telescope.
The real-life solar system is too fragile to manipulate by hand.
The real-life solar system is too small to see with ordinary equipment.
The real-life solar system is too large to fit in a laboratory.
2
How many centimeters is the real cell's length?
0.002 cm
0.03 cm
33 cm
7500 cm
3
Which of these are part of a scientific way of gathering information?
Investigations
Opinions
Religious beliefs
Fairy tales
4
How tall should the real tree house door be?
45 cm
14 cm
39 cm
126 cm
5
Which statement describes a claim that is based on science?
It is based on a long tradition.
It is based on personal bias.
It is based on empirical evidence.
It is based on logical reasoning.
6
What kind of model is shown?
Mathematical
Physical
Conceptual
Computer
7
Which statement is a hypothesis these students might be using in their experiment?
Will a toy car roll faster down a steeper ramp?
It's fun to see how fast the cars roll down the steepest ramps.
It tests how the speed of a toy car changes with the steepness of the ramp.
If a ramp is steep then a toy car will go faster down it.
8
Which type of investigation is the group doing?
Descriptive
Experimental
Comparative
9
Experiment with a paper airplane's shape vs. the distance it flies. Which action is the result of logical reasoning?
Perform the experiment outside on a windy day.
Use the same type of paper for each airplane.
Record only the data that support her favorite hypothesis.
Follow your procedure carefully.
10
What is one way the teacher could replicate this experiment?
Repeat the experiment on 10 more apples.
Repeat the experiment in a darkened room.
Repeat the experiment using liquids other than lemon juice and water.
Repeat the experiment using fruits other than apples.
11
Why is publishing results important in science?
It lets scientists show off their imaginations.
It turns hypotheses into scientific laws.
It adds bias to experimental data.
It allows others to evaluate the results.
12
What is the responding variable in this experiment?
The size of the apple wedges
The lemon juice applied to one of the apple wedges
The liquid the apple wedges were dipped in
The color of the apple wedges after 1 hour
13
Which investigation involves looking for ways that two or more objects, events, or processes are alike or different?
Descriptive investigation
Comparative investigation
Experimental investigation
14
Which statement best describe the use of the balloons in this experiment?
It is logical, it allows the student to catch any invisible gases given off
It is imaginative, it makes the experiment feel like a party.
It is biased, it means that not all the variables are properly controlled.
It is creative, it allows the student to add color to the experiment.
15
Which statement is a scientific claim?
Observations of constellations show that stars have moved over time.
Three stars in the constellation Orion look like a belt of a hunter.
Observations of certain stars explain why humans behave the way they do.
The constellation Orion is the easiest to recognize.
16
Which statement is a hypothesis?
The earthworms must all be the same species.
Most of the earthworms moved to the shaded area during the experiment.
If Earthworms have a choice, then will move toward darkness instead light.
Do earthworms prefer bright light or darkness?
17
Which characteristic is a limitation of the student's model?
The model soil is nothing like the soil found in a real riverbed.
The model is much smaller than a real river.
The model is missing plants, fish, and other details found in a real river.
The model river water flows downhill instead of uphill.
18
If a scientist gets unexpected results during the first trial of an experiment, what should they do?
Change the data to match expectations.
Reject the scientific theory not supported by the results.
Repeat the experiment to be sure the results are valid.
Publish only the expected data.
19
Which evidence could have helped disprove the geocentric theory and led to the development of the heliocentric theory?
The planet Earth appears to be a stationary point in space.
Earth's moon appears larger in the sky than the Sun.
Objects in the sky, including the Sun, appear to revolve around Earth on a
The moons of the planet Jupiter are observed revolving around Jupiter.
20
What limitation is using a marble to model an atom?
The model does not show the true size of an atom.
The model is much harder to see than a real atom.
The model is not made of commonly available materials or objects.
The model does not move or behave like a real atom.
21
Which is important to gather and interpret scientific information?
Religion
Emotion
Logic
Legend
22
This work is part of which process used in developing scientific theories?
Using new technology to replace outdated theories with new ideas
Using imagination to spark new ideas
Using new technology to provide additional supporting data
Using new data to modify an existing scientific theory
