Physical Science Review Game Question Preview (ID: 37879)
Review For Quarter 4 Test.
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What are significant figures?
a) Used to describe accuracy in measurements
b) Include all numbers 0-9
c) For precision measurements
d) The number of non-zero numbers
What is the correct answer for the following calculation using sig figs: 2.54 + 3
a) 5.5
b) 5.4
c) 6
d) 5
Perform the correct sig fig calculation: 10 x 31
a) 310
b) 300
c) 400
d) 3.10
Perform the correct sig fig calculation: 1.004 - 0.0043
a) 0.997
b) 0.99
c) 1.1
d) 1.0
Perform the correct sig fig calculation: 51.3 / 3.145
a) 16.3
b) 16.31
c) 16
d) 17
How many inches are in 180.0 cm (2.54cm = 1 in)?
a) 70.8 in
b) 70 in
c) 71 in
d) 70.9 in
How many feet are in 5,280 cm (2.54cm = 1 in; 12 in = 1 ft)
a) 173 ft
b) 174 ft
c) 173.2 ft
d) 173.3 ft
Evie weighs 25 lbs. How many kilograms is she? (2.2lbs = 1 kg)
a) 55
b) 12
c) 11
d) 54
I ran a half-marathon this weekend, 13.1 miles. How many kilometers did I run? (1.61 km = 1 mi)
a) 8.137 km
b) 8.14 km
c) 21.09 km
d) 21.1 km
My family drinks 3.00 gals of milk a week. My family in Ireland wants to know how many milliliters is this? (1 gal = 3.8 L and 1 L = 1,000mL)
a) 11000 mL
b) 11400 mL
c) 789 mL
d) 0.0114 mL
Which scenario demonstrates accuracy?
a) Dylan is throwing darts and although he doesn't hit the center, he gets all the darts in the same area.
b) Tanner is shooting hoops and misses every time.
c) A UN food drop successfully lands in the drop zone.
d) Sam is shooting turkeys and hits one in the leg. It walks away.
Which scenario demonstrates precision?
a) Luke is throwing a football and it travels perfectly to the catcher every time.
b) Kendra is playing basketball and misses her teammate during passes.
c) Hunter is playing video games and shots one player but misses the others.
d) Megan is doing the high jump in track but hits the bar twice and clears it once.
What is standardization?
a) Each country determines what units are most useful to them.
b) Groups of countries conform to the same measurement amount.
c) Amounts mean different things in each country.
d) Measurements and units all conform to the same amount.
The two most common measurement systems are
a) Standard; Metric
b) English; Standard
c) English; Metric
d) There is only one, standard.
A physical property is
a) Occurs during chemical reactions.
b) An observable trait.
c) Occurs when the object is changed but not at the molecular level.
d) Observed when the molecular make up is changed.
Chemical properties are
a) Observed when a substance is ripped in half.
b) Seen when a substance changes color.
c) Properties seen without changing molecular structure.
d) Observable when chemicals react
Which of the following is a chemical change?
a) Iron rusting in salt water.
b) Coloring on paper.
c) Drying and straightening your hair.
d) Mixing flour and sugar to make cookies.
Which of the following is a physical change?
a) Lighting a Bunsen burner.
b) Starting your car (fuel combusting in the engine).
c) Adding food coloring to your cake batter.
d) Dying your hair red.
Polarity is...
a) A negative charge in a molecule.
b) Opposite charges within the same molecule.
c) A positive charge in a molecule.
d) A molecule with no charge.
Surface tension is...
a) Repulsion of molecules at the top if a liquid.
b) Repulsion of molecules to other molecules.
c) Attraction of molecules to other molecules.
d) Attraction of molecules at the top of a liquid.
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