1
Which word best describes evidence scientists use that can be observed and measured?
2
Why is one property usually not enough to identify a substance?
3
What do scientists collect before making conclusions?
4
What can matter be even when we cannot see it?
5
What do scientists use to explain things they cannot directly observe?
6
What tiny particles make up matter?
7
Which type of properties helps identify materials, besides physical properties?
8
Why should scientists gather evidence before concluding?
9
Which statements describe Lesson 2 about matter?
10
In Lesson 3, what helps identify materials?
11
Why do scientists look at more than one property to identify a substance?
12
What do scientists gather before making conclusions?
13
Can matter exist even if we can’t see it?
14
Why do scientists use evidence to explain things they cannot directly observe?
15
What are the tiny particles that make up matter called?
16
What do physical properties provide evidence about?
17
What do chemical properties help identify?
18
Do scientists use both physical and chemical properties when identifying materials?
19
Why is evidence important before drawing conclusions?
20