- 51 Views
- Uploaded on
- Presentation posted in: General

Ch. 2 Clicker Review

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.

- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Ch. 2 Clicker Review

7th grade

Mrs. Laubscher

1. spring scale

2. a meniscus

3. a triple beam balance

4. graduated cylinder

- always wear safety goggles.
- always follow your teacherâ€™s instructions and lab or textbook directions exactly.
- always wear an lab apron.
- design and conduct your own experiments without asking your teacher.

- Mass, a graduated cylinder
- Length, a metric ruler
- Time, seconds
- Volume, L x H x W or water displacement

- Mass = grams
- Weight = newtons
- Length = meters
- Volume = g/cm3

- 5 kg = 5000 g
- 2 L = 2000 mL
- 3 m = 30 cm
- 10 decigrams = 1 g

- Boiling point is 100 degrees Celsius.
- Freezing point is 0 degrees Fahrenheit.
- Boiling point is 273 degrees Kelvin.
- Freezing point is 0 degrees Kelvin.

If the data collected when measuring your dogâ€™s tail was 27 cm, 36 cm, 25 cm, and 39 cm and the actual value was 30 cm, you could conclude that your data was. . .

- Accurate and precise
- Accurate but not precise
- Precise but not accurate
- Neither accurate nor precise.

- anomalous data.
- a significant figure.
- an estimate.
- a percent error.

- The length of a belt.
- The height of a bee.
- The distance from Chesterland to Mayfield.
- The density of a pin.

- There are more than two variables.
- There is a strong relationship between the variables.
- The graph has no use or value.
- There is no relationship between the variables.

- 1000
- 100
- 1
- 10

- precision
- significant figures
- estimation
- anomalous data

- percent error
- precision
- significant figures
- accuracy

- linear graph.
- anomalous graph.
- nonlinear graph.
- a faulty graph.

- Start first aid treatment.
- Find the emergency equipment.
- Call 911.
- Notify your teacher.

- process
- system
- feedback
- model

- Mean
- Median
- Mode
- Range

- Percent error
- Median
- Mode
- Range

- Mean
- Median
- Mode
- Range

- Mean
- Median
- Mode
- Significant figure

- Multiply L x W x H
- Divide volume by mass.
- Multiply weight x volume.
- Divide mass by volume.

- Deka = 100
- Hecto = 10
- Milli = 1/100
- Kilo = 1000

- Mass
- Volume
- Weight
- Density

- mass measures the force of gravity on an object.
- weight measures the amount of matter an object contains.
- weight measures the force of gravity on an object.
- mass measures the space an object takes up.

- density
- volume
- weight
- mass

- Fahrenheit
- Kelvin
- Celsius
- The boiling point of water.

- precision
- percent error
- accuracy
- significant figure

- what variables were controlled in an experiment
- how the dependent variable changes in response to the independent variable.
- the input, process and output of a system
- changes in the independent variable

- 5 g/cm3
- 45 g/ml
- .2 g/cm3
- .2 g/ml

- Less than, sink
- Greater than, float
- Equal to, sink
- Less than, float

- the digits that have been measured exactly, plus one digit whose value has been estimated.
- only the digits that have been measured exactly.
- only the digit whose value has been estimated.
- only zeroes that are after the decimal point.

- What is its volume?

- What is the mean?

- What is the median?

- What is the mode?

- What is the range?

What is your percent error?

Hint: experimental â€“actual x 100%

actual

- They show how different sets of data are related.
- They are easier to make than bar graphs.
- They can show both numerical and categorical data.
- They give more information than bar graphs.

- turn off, unplug, and return any equipment to its proper place.
- pour all liquid wastes down the sink drain.
- wash your hands thoroughly.
- clean up your work area.

- Kg/m3
- g/cm3
- ml
- cm3

- molecules move to fast.
- molecules are hazardous.
- molecules are too small.
- molecules are too far away.

- The distance from Solon to Chesterland.
- The length of a car.
- The length of a nail.
- The weight of a jet plane.

- cover the spill with a dressing.
- flush the skin with large amounts of water.
- go to the emergency room.
- apply an ice pack.

In a home central heating system, when the room temperature measured by the thermostat reaches a set value, the thermostat switches off the heater. This action by the thermostat is an example of

- feedback
- process
- output
- input

- simple models
- graphs
- diagrams
- computer programs