Science Mid-Term Studying Quiz

jujubeeamorde
Quiz by jujubeeamorde, updated more than 1 year ago
jujubeeamorde
Created by jujubeeamorde over 5 years ago
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Science Mid-Term Studying Quiz

Resource summary

Question 1

Question
What devices are used to measure mass, volume, density, and weight?
Answer
  • Triple-Beam balance & scale
  • mass divided by weight
  • graduated cylinder
  • beaker
  • volume over mass
  • mass over volume

Question 2

Question
For the pendulum experiment what were the Independent and dependent variables?
Answer
  • Mass, period
  • Weight, size
  • Time, force

Question 3

Question
Scientific theory is what scientists predict to happen in the future.
Answer
  • True
  • False

Question 4

Question
How many significant figures are in 0.57?
Answer
  • 2
  • 3
  • 4
  • 1

Question 5

Question
Using sig figs, how would you solve 26.9 divided by 3?
Answer
  • .9
  • 9
  • 900
  • .009

Question 6

Question
Percent error is: predicted-true value ------------------------------ true value
Answer
  • True
  • False

Question 7

Question
Protons add [blank_start]one[blank_end] amu to the atom. Neutrons add [blank_start]one[blank_end] amu to the atom. Electrons add [blank_start]no[blank_end] mass to the overall atom.
Answer
  • one
  • one
  • no

Question 8

Question
Properties of metalloids include-
Answer
  • brittle
  • somewhat reactive
  • hard
  • soft
  • unbreakable
  • luster

Question 9

Question
What is the last part of the brain to develop?
Answer
  • frontal cortex
  • pre-frontel cortex
  • dark matter
  • white matter

Question 10

Question
Three methods used to avoid animal-testing?
Answer
  • in vitro testing
  • computer modeling
  • volunteer
  • insect testing

Question 11

Question
solutions contain a solvent dissolved in a solute
Answer
  • True
  • False

Question 12

Question
molecular compounds in water conduct electric current
Answer
  • True
  • False

Question 13

Question
a characteristic property of a solution is that it can scatter light
Answer
  • True
  • False

Question 14

Question
brass is a solid dissolved in a solid
Answer
  • True
  • False

Question 15

Question
shows the ratio of atoms in a compound
Answer
  • chemical formula
  • element
  • mixture

Question 16

Question
Dalton thought the atom was a condense sphere
Answer
  • True
  • False

Question 17

Question
...thought the atom was like a watermelon (scattered electrons)
Answer
  • thomson
  • bohr
  • rutherford
  • dalton

Question 18

Question
Rutherford said the atom was like....
Answer
  • empty space with a positive core
  • a cloud of electrons
  • electrons surrounding a nucleus of protons and neutrons

Question 19

Question
Bohr said the atom had a nucleus filled with protons and neutrons with electrons orbiting around the entire nucleus
Answer
  • True
  • False
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