CBA 2 Review

Unit 1

100

Is the formula a Element or Compound?

H₂O

Compound

200

How many Elements are in this this formula?

C₆H₁₂O₆C₂

3

300

True or false:

Elements are pure substances. 

True

400

True or False:

Elements are represented by a chemical formula.

False

500

Physical or Chemical Change:

Digesting food

Chemical

Unit 2

100

What 2 things do you need to calculate density? 

Mass & Volume

200

If a metal can bend it is what? 

Malleable

300

If an element has properties of both metals, and nonmetals what is it?

A Metalloid

400

Calculate the density:

Mass=100g

Volume=20ml

5g/ml

500

Calculate the Density of the cube:

Mass= 186g

Length of a side is 2cm. 

11.625g/cm³

Unit 3

100

If an object has a net force of zero is it balanced or unbalanced?

Balanced

200

What 2 things do you need to calculate speed?

Distance & Time

300

If Aa'Liyah runs 400 meters in 10 Sec what is her speed? 

40m/sec

400

If Cayden is pulling a bag of chips to the left with a force of 5 N and Mrs. Waldon is pulling to the right with a force of 10 N, who will get the chips? 

Mrs. Waldon

500

Calculate the average speed of the 2 trials:

Trial 1                               Trial 2

25 ft                                  30 ft

4 sec.                                 5 sec.

6.1 ft/sec

Unit 4

100

What type of energy is a light bulb giving off?

Light

200

Where does all of our energy come from?

The sun

300

List the energy transformation of plugging in a Toaster.

Electrical-thermal

400

Can we create energy?

NO

500

What kind of energy is stored in donuts

Chemical

Unit 5

100

Burning you hand is _________?

Conduction, convection, or radiation?

Conduction

200

The transfer of heat through liquids is________.

Convection

300

The transfer of heat through the air

Radiation

400

How does heat transfer from one object to another

Hot to cold

500

Heat _______ and Cold ________.

Rises;sinks