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- 1. Multiple Choice
A substance that pollutes something, especially water or the atmosphere is calleddirtpollutantoxygenprecipitant - 2. Multiple ChoiceLiquid water changing slowly into a gas and rising into the atmosphere is calledevaporationcondensationraintyphoon
- 3. Multiple ChoiceWhich measures air pressure?ThermometerAccelerometerBarometerAnemometer
- 4. Multiple ChoiceA local wind that blows from an ocean or lake isglobal windthunderstormequatorsea breeze
- 5. Multiple Choice
Organic matter is a main part of soil. What is the other main part of soil?
worms
dirt
water
inorganic matter
- 6. Multiple Choice
What is an inexhaustible resource?
A resource that can be replaced or recycled.
A resource that will not run out.
A resource that cannot be replaced at all, or cannot be replaced as fast as people use it.
- 7. Multiple Choice
An electron is
positively charged
neutral
negatively charged
- 8. Multiple Choice
atomic number is
the number of protons
the number of electrons
the number of neutrons
the location of an atom on the periodic table
- 9. Multiple Choice
which of the statements on physical changes are correct
A physical change cannot be reversed
A physical change is a change in state
A physical change is a change in form
A physical change is where new substances are formed
- 10. Multiple Choice
Characteristics of metals on the periodic table are
they are not able to be oxidised
they are poor conductors of heat and electricity
have free electrons
- 11. Multiple Choice
What happens when two forces act in the same direction?
They cancel each other out.
The stronger one prevails.
Their strengths are added.
Their sum divided by two is the total force.
- 12. Multiple Choice
According to the law of conservation of momentum, when two objects collide in the absence of outside forces,
velocity decreases
velocity increases
the objects have the same momentum before and after they collide.
the objects have more momentum after they collide than they did before.
- 13. Multiple Choice
Forces can be added together only if they are
acting on the same object
unaffected by gravity
balanced forces
substantial
- 14. Multiple Choice
The overall force on an object after all the forces are added together is called the
balanced force
unbalanced force
net force
centripetal force
- 15. Multiple Choice
The force of gravity is responsible for continuously changing the ____________________ in which a satellite moves.
direction
orbit
centripetal force
gravitation
- 16. Multiple ChoiceWhat decimal equals 1/4?.14.25.411.4
- 17. Multiple ChoiceHow many inches are in a foot?1236100120
- 18. Multiple Choice
Which of the following is a prime number?
51
37
45
87
- 19. Multiple Choice
Multiply these fractions. Simplify if needed.
2/18
1⅔
1⅓
2/16
- 20. Multiple ChoiceSimplify the ratio of
35 : 145 : 22 : 53 : 135: 14 - 21. Multiple ChoiceBob has 91 pairs of socks. He donated these 91 socks to 7 different charities. If he donated the same amount of pairs of socks to each charity, how many total socks did he donate per charity?36132639
- 22. Multiple ChoiceMs. Johnson teaches 31 students in her first grade class. She has to buy 2 paperclips per person for a project. If each paperclip is worth one penny, how much does she spend for the paperclips?$0.63$0.62$0.61
- 23. Multiple ChoiceWhat is the value of 4 ÷ 2/3 - 5?6 1/212 2/33
- 24. Multiple Choice
Given x3 -3x - 4, the numbers 1 and -3 are
terms
coefficients
variables
constants
- 25. Multiple Choice
State another name for additive inverse
Negative
Opposite
Reciprocal
Constant
- 26. Multiple Choice
Parts of an expression that are separated by addition symbols
variable
denominator
numerator
terms
- 27. Multiple ChoiceWrite (2)(2)(2)(2)(2) as an exponent.325225(2)(5)
- 28. Multiple ChoiceWhen is the parent signed syllabus due for this class?YesterdayTodayTomorrowMonday
- 29. Multiple Choice
In scientific notation, what is the product of 1.2 x 103 and 1.4 x 102? Express your answer to two significant figures.
1.68 x 106
1.68 x 105
1.6 x 106
1.7 x 105
- 30. Multiple Choice
Lynn paid a one-time registration fee of $30 for dance lessons. Additionally, she paid $20 per lesson. If she took seven lessons, how much did she pay all together?
$50
$350
$170
$200
- Answer choicesTagsAnswer choicesTags