WorksheetsReview: Unit 1 (Scientific Method and Tech Process ES 5)
Total questions: 40
Worksheet time: 24mins
What is an inference?
a guess
an observation
a conclusion/statement based on your observations/past experiences
examples of something
Which statement is an observation?
That house is empty because there are no lights on.
Her hair is brown because she dyed it.
Her hair is brown.
Her hair has not been cut in two years.
Which statement is an inference about this picture?
The van is tan.
The driver was hungry.
The van run into KFC.
Red and white are part of the KFC building.
Finish the inference statement... The deer ran ______________________________
over the hill.
because it was scared.
to the north direction.
and then stopped.
Which is NOT an observation?
There are three oranges on the table.
There are several types of fruits on the table.
The teacher's favorite fruit is peach.
There is one green apple and one red apple on the table.
A scientists observes a rock. An example of an inference would be...
The rock has rounded edges.
The rock has large crystals.
The rock is 16.5 cm long
The rock was once under great pressure.
If you are observing a dog, a good inference might be...
The dog's fur is sticky.
The dog is young because it is chewing a lot.
The dog can roll over on demand.
The dog is light brown
The number of significant figures in the measurement 0.050010 kg is
7
5
4
2
The number of significant figures in the measured value 3400 g.
4
3
2
1
How many significant figures does this number have: 104,000 ?
2
3
4
5
Which number below does NOT have 3 significant figures?
0.0307
0.0370
37.0
370
How many significant figures are there in the number 0.02040?
4
3
2
5
The number 0.032040 has ____ significant figures.
3
4
7
5
How many significant figures are there in 2000?
1
4
2
3
469.1 milligram = _____ gram
46, 910
46.91
469, 100
0.4691
2,200 meters = _____ kilometers
0.0022
2, 200, 000
2.2
22
A container holds 3.5 liters. How many centiliters does the container hold?
0.35
0.035
350
35
The thickness of the leg of an ant is 0.035 centimeters. How many millimeters is this?
3.5
35
0.0035
0.35
44 centimeter is how many kilometer?
0.00044 km
0.044 km
44, 000 km
4, 400, 000 km
Convert 192 micrometer to Megameter
0. 000 000 000 192 Mm
0. 000 001 92 Mm
192 000 000 000 000 Mm
19 200 000 Mm
What measurement would you record for this liquid?
20.5 ml
25 ml
24 ml
29 ml
Which scientific tool is used to measure temperature?
What is the mass on the triple beam balance?
42 grams
124 grams
142 grams
412 grams
What is the measurement of the liquid in the graduated cylinder?
65 ml
6.7 ml
66 ml
6.6 ml
What temperature does the thermometer show?
80 ° F
82 ° F
81 ° F
85 ° F
Read this instrument and include the appropriate unit.
62 grams
63 grams
62.4 grams
63.1 grams
Read this instrument to the nearest milliliter
43 ml
43.5 ml
44 ml
42 ml
What is the measurement in the image?
3.1 ml
3.2 ml
32 ml
3 ml
This piece of lab equipment is called a ______________.
graduated cylinder
triple beam balance
meterstick
thermometer
What is the length of the line?
2 cm
2.1 cm
2.3 cm
3 cm
Most elements on the periodic table are classified as ____________.
gases
metals
metalloids
nonmetals
Groups on the periodic table are arranged...
vertically
diagonally from bottom right corner
horizontally
diagonally from top right corner
How many neutrons does Chlorine have?
17
35
36
18
How many periods are there in the periodic table?
7
10
9
18
Each horizontal row on the periodic table is called a what?
group
period
row
family
Who arranged the periodic table of elements by the atomic mass (or mass number)?
Democritus
Mosely
Dalton
Mendeleev
The yellow elements are called _____.
metals
metalloids
nonmetals
gases
The elements in gray are called _____.
metals
metalloids
nonmetals
gases
What is the atomic mass of Neon?
10
10.18
20.18
20
How many protons are in Beryllium?
4
5
9
2
