P.S. Sem. 1 Final Review

Quiz by Kate Downey

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111 questions
• Q1
Nick wanted to see how high an ice cube would float in different temperatures of water. Identify the independent variable.
size of ice cube
amount of water
height of ice cube
temperature of water
30s
• Q2
Mario studied how far room temperature water would spurt out of a plastic milk carton when 3mm holes were punched at different heights from the bottom of the container. Identify a constant.
distance water traveled out of carton
ice water from Iceland
different heights of holes in container
3 mm holes
30s
• Q3
Tiffany was investing how fast it took Hayden to react to different sounds. Identify the dependent variable.
how fast Hayden reacted
Hayden
how much time it took Hayden to react
different sounds
30s
• Q4
“If the forest is clear-cut (cutting down all the trees in an area of forest), then it will result in drier soils because there will not be any trees to protect the soil from sunlight” is an example of:
an experimental question
a theory
a conclusion
a hypothesis
30s
• Q5
The______________ variable is the variable you are observing and that changes in response to the ______________variable.
dependent, independent
independent , dependent
dependent, control
independent , control
30s
• Q6
Using the graph, estimate ice cream sales when the temperature was 25 degrees C:
approximately \$30
impossible to determine
approximately \$60
approximately \$40
30s
• Q7
Chemical properties is what allows matter to change into something new during a chemical change
False
True
30s
• Q8
The nucleus has a neutral charge because the neutrons have no charge while protons have a positive charge.
False
True
30s
• Q9
The part of the atom that has a positive charge is the
proton
molecule
electron
neutron
30s
• Q10
Negatively charged particles that move around the atom's nucleus are the
elements
electrons
neutrons
protons
30s
• Q11
Atoms that have the same number of protons but different numbers of neutrons are called
electrons
ions
isotopes
protons
30s
• Q12
Atoms with an electrical charge due to giving up or taking on more electrons are called
isotopes
ions
solutions
allotropes
30s
• Q13
The atomic number is the same thing as the number of ______________.
neutrons
electrons
positrons
protons
30s
• Q14
How many protons, neutrons and electrons are there in the atom in the image?
29 protons, 29 electrons, 34 neutrons
29 protons, 27 electrons, 34 neutrons
34 protons, 29 electrons, 29 neutrons
29 protons, 34 electrons, 29 neutrons
30s
• Q15
Which of the following statements is correct?
Protons are positively charged and electrons are negatively charged.
Protons are positively charged and neutrons are negatively charged.
Protons are negatively charged and electrons are positively charged.
Neutrons are positively charged and electrons are negatively charged.
30s

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