What is the first step in an inquiry or investigation?
a. asking questions
b. collecting data
c. making measurements
d. testing variables
What is asking questions
100
The smallest unit of an element
a. molecule
b. metal
c. compound
d. atom
What is an atom
100
which is an alloy?
a. magnesium
b. mercury
c. silver
d. steel
What is steel
100
the N pole of a magnet attracts the ___ pole on another magnet
a. compass
b. south
c. north
d. charge
What is a south
100
a simple device that is used to determine direction ans to detect Earth's magnetic field
a. compass
b. electromagnet
c. generator
d. permanent magnet
What is a compass
200
Why is it important to write clear instructions to follow during an investigation process?
a. to not forget the hypothesis
b. so others can repeat the investigation
c. to investigate quickly
d. so there are not too many steps to follow
What is so that others can repeat the investiagtion
200
the simplest form of matter
a. compound
b. element
c. salt
d. molecule
What is an element
200
What materials are good conductors of heat and electricity?
a. glasses
b. metals
c. nonmetals
d. plastics
What are metals
200
a property of matter, charges can attract or repel
a. permanent magnet
b. magnetic field
c. electric charge
d. electromagnet
What is an electric charge
200
a device that has two poles that can attract or repel
a. generator
b. insulator
b. magnet
c. relay
What is a magnet
300
Why would you use a spring scale instead of a balance?
a. not enough time to balance it
b. trying to find the weight of the object
c. object is too big for a balance scale
d. need to determine the objects mass
What is you are trying to find the weight of the object
300
Substances made of two atoms of two or more elements
a. mixture
b. molecule
c. compound
d. element
What is a compound
300
Which element is a gas that does not combine with other elements?
a. aluminum (Al)
b. hydrogen (H)
c. lithium (Li)
d. neon (Ne)
What is neon
300
In a simple electric motor, a ___________ is used to make the motor spin.
a. compass
b. magnetic field
c. permanent magnet
d. magnetic field
What is a permanent magnet
300
a circuit with two or more paths for the current
a. electric field
b. series
c. short
d. parallel
What is a parallel circuit
400
What type of information can be used to support a hypothesis and draw conclusions?
a. opinions
b. variables
c. evidence
d. questions
What is evidence
400
Substance that is a good conductor of heat and electricity
a. acid
b. base
c. compound
d. metal
What is a metal
400
Which state of matter has no definite volume and no definite shape?
a. element
b. gas
c.liquid
d. molecule
What is a gas
400
is used to detect Earth's magnetic field
a. permanent magnet
b. south
c. elctromagnet
d. compass
What is compass
500
What is the final step in a scientific investigation?
a. ask a question
b. write a report
c. analyze the data
d. plan the investigation
What is write a report
500
Product of acid and base reacting
a. reactant
b. product
c. malleable
d. salt
What is a salt
500
Which element is the building block around which the molecules of life are built?
a. carbon
b. chlorine
c. iodine
d. sodium
What is carbon
500
when current is flowing through an electromagnet, it produces a __________________
a. magnetic field
b. compass
c. electromagnet
d. electric charge