Unit 1 Review: Investigating Matter and Energy

How many significant figures does the following number have: 0.002040

• 6
• 4
• 3
• 2

Tags

CCSS.8.EE.A.4

The Olympic record for the high jump is just over 2.6 yards. To convert this into feet using dimensional analysis, what conversion factor would you use? (3 ft=1 yd)

• $\frac{1\ yard}{3\ feet}$

• $\frac{1\ foot}{3\ yards}$

• $\frac{3\ feet\ }{1\ yard}$

• $\frac{3\ yards}{1\ foot}$

Write 5.43 x 10^-7 in standard notation.

• 0.000000543

• 0.0000000543

• 5,430,000,000

• 54,300,000

Write 42,000 in scientific notation.

• 42.000 x 10³
• 4.2 x 10 ^-4
• 4.2 x 10⁴
• 0.42 x 10⁵

A object has a volume of 17 mL.  The same object has a mass of 212 g.  What is the density of this object?

• 12.4 g/m3
• 12.4 g/mL
• 1.24 g/mL
• 12/4 mL/g

Tags

CCSS.HSG.MG.A.2

Match the correct variables, units, and tools used to measure.

• mass - grams - balance

• temperature - calories - thermometer

• volume - mL - graduated cylinder

• mass - cm^3 - ruler

• temperature - Celsius - bunsen burner

What is the best way to find the volume of an irregular shaped solid object?

• triple beam balance

• water displacement

• L x W x H

• 1/2 (L x W x H)

What does volume measure?

• the amount of space something takes up

• the amount of weight of something

• the amount of mass of something

• the total kinetic energy of particles in something

Energy due to motion is ____________ energy. 

• Potential 
• Energy
• Kinetic
• Friction

Tags

CCSS.RI.11-12.4

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RI.9-10.4

CCSS.RI.9-10.4

__________ is stored energy. 

• Potential
• Kinetic
• None of the above 
• All of the above 

Tags

NGSS.MS-PS3-2