Unit 1 and 2 Test Review

An experiment is conducted to test how different cleats change an athletes running speed.  Six different types of cleats are tested and the 100m run time is recorded.  What is the independent variable?

• The type of cleat
• The run time
• The 100 meters
• The athlete

A test is set up to test which brand of soda creates the biggest foam explosion when adding a Mentos candy.  Three different sodas were tested. They measured the height of the foam eruption.   What is the dependent variable?

• Brand of soda
• Number of mentos candies used
• Height of foam eruption
• Temperature of soda

Tags

NGSS.MS-PS1-2

Which of the following is a quantitative observation?

• The bird is very colorful.
• The bird has 4 different colors on him.
• The bird has many, many feathers.
• It is a bird. 

How many significant figures does the following number have: 0.002040

• 6
• 4
• 3
• 2

Tags

CCSS.8.EE.A.4

How many significant figures does the following number have: 0.998005

• 9
• 10
• 6
• 5

Tags

CCSS.8.EE.A.4

How many significant figures does the following number have: 100.3

• 4
• 3
• 5
• 2

Tags

CCSS.8.EE.A.4

How many significant figures does the following number have: 2001800.

• 1
• 4
• 6
• 7

Tags

CCSS.8.EE.A.4

Round 0.010229 to four sig figs

• 1022
• 1023
• 0.01023
• 0.01022

Tags

CCSS.8.EE.A.3

Round 1047.78 to three sig figs

• 104
• 105
• 1050
• 1050.00

How many significant figures does the following number have: 0.002040

• 6
• 4
• 3
• 2