Unit 1 Review

Experiments

100

Complex systems and ideas are represented by simple ______.

Models

200

This kind of educated guess is written as an "If/Then" statement.

Hypothesis

300

This part of the experiment is left unchanged, so that the other variables can be compared to it.

Control

400

This is the variable that the experimenter controls.

Independent variable

500

This is a strongly supported explanation for some aspect of the natural world that incorporates facts, hypotheses, laws, and experimental data.

Theory

Units

100

Give the name and symbol for the standard unit of time.

Second (s)

200

Give the name and symbol for the standard unit of length.

meter (m)

300

What is the name and symbol for the standard unit of mass?

kilogram (kg)

400

What are the units for density (name both that we learned in class).

g/mL and g/cm³

500

Name the three main units of measure for temperature, and the symbols that represent them.

Fahrenheit (F)

Celsius (C)

Kelvin (K)

Spheres

100

Which Earth system contains the water cycle?

Hydrosphere

200

Weather happens here:

Atmosphere

300

The system of rocks in the Earth and the ground under our feet.

Lithosphere

400

You are part of this sphere.

Biosphere

500

This part of the hydrosphere looks at just the frozen water in particular.

Cryosphere

Examples

100

Give an example of a destructive force.

Earthquakes, erosion, weathering, animals digging, etc

200

Give an example of a constructive force.

Plate tectonics, volcanoes, deposition, sedimentation, etc

300

Thanks to gravity, we expect that every single time we drop a ball, it will fall to the Earth. This is an example of a scientific ________.

Law

400

One job that this kind of scientist can do is to be a local weatherperson. 

Meteorologist.

500

Planning solar farms and conducting impact surveys are duties carried out by this kind of scientist.

Environmental scientist

Math

100

Find the volume of a cube with a side of 5cm.

125cm³

200

Find the volume of a block with dimensions of 3cm, 2.5cm, and 7cm.

52.5 cm3

300

Find the density of a block that has dimensions of 4cm x 2cm x 6cm and that weighs 24g.

0.5g/cm3

400

The element mercury has a density of 13.5g/mL, and you have a 25mL sample. How much does your sample weigh?

337.5g

500

If gold has a density of 19.3g/cm³, and you have a chunk that weighs 500g. What is the volume of your chunk of gold?

25.9cm³