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Science 1 and 2 Flashcards | StudBud
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Science 1 and 2
Science 1 and 2
30 terms
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#Scientific Method #Energies # Forces #Newton's laws of motion
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
Can you figure out the pattern: 8 , 6 , 4 , ?
8
6
2
4
2
What is the relationship between air temperature and the speed of sound?
As air temperature increases, the speed of sound decreases
air temperature increases, speed of sound remains the same
As air temperature increases, the speed of sound increases
As air temperature remains the same, the speed increases
3
How will this force help the man move the box?
Box will be easier to move
Box will move in the opposite direction
Box will be harder to move
Box will stay the same
4
a canon is an example of which of Newton’s Laws of Motion
4th
2nd
3rd
1st
5
What's the net force?
The net force will act towards the Yellow Team
The net force will act towards the Green Team
The net force will act towards the Red Team
The net force will act towards the Blue Team
6
What is the net force applied?
25 N to the right
75 N to the left
25 N to the left
75 N to the right
7
What are the energy transformation?
Electrical to Heat
Electrical to Mechanical
Electrical to Toast
Heat to Electrical
8
Which of the following has the greatest potential?
A truck speeding down a hill
A ball rolling down a hill
A ball on top of a hill
A truck on top of the hill
9
how much force is acting on the cart when the students measure acceleration of 2.6 m/s
2
?
7 N
12 N
13 N
8 N
10
gravity is 9.8 m/s
2
.
What is the force of a falling rock if it has a mass of 100 Kg?
98 N
980 N
100 N
9.8 N
11
Boat enters a part of the river where the current is moving south at 2 m/s?
The boat will move to the west
The boat will move slower
The boat will stop
The boat will move faster
12
Can you figure out the pattern? 14, 15, 14, ?
28
15
14
30
13
Which shopping cart requires the most force to push it
None of the carts
Cart A
Cart C
Cart B
14
Motion of the train?
forward and backwards
Constant speed, slows down, and then stops
Goes forward then slows down
increase speed, stops, then moves forward
15
Which cart has the Greatest Potential Energy?
Cart C
Cart A
Cart D
Cart B
16
What type of energy on the top of the hill?
Greatest Kinetic and Least Potential
Greatest Potential and Greatest Kinetic
Least Potential and Least Kinetic
Greatest Potential and Least Kinetic
17
What energy transformations occur when a propane gas is used to tilt the balloon?
Chemical to Thermal to Mechanical
Thermal to Mechanical to Chemical
Chemical to Mechanical to Thermal
Mechanical to Chemical to Thermal
18
At which location does the marvel have maximum kinetic energy?
Z
W
Y
X
19
At a temperature of 30
0
C, sound travels at approximately
350 m/s
330 m/s
347 m/s
345 m/s
20
Energy transformation for a dryer?
Mechanical to Chemical
Electrical to Heat and Mechanical
Electrical to Electromagnetic and Thermal
Heat and Mechanical to Electrical
21
Energy transformation of a microwave oven?
Electromagnetic to Thermal to Electrical
Electrical to Electromagnetic to Thermal
Thermal to Electromagnetic to Electrical
Electrical to Thermal to Electromagnetic
22
If a force of 50 N applied to each three objects, which will have the greatest acceleration?
Object X because it has the greatest mass
Object Z because it has the greatest volume
Object Z because it has the least mass
Object Y because it has the least volume
23
If a car travels 60 kilometers in 30 minutes, what is its average speed in km/hr?
120 km/hr
60 km/hr
1800 km/hr
90 km/hr
24
lion eats a zebra and uses the energy from the zebra to run, the lion's body converts?
Mechanical to Chemical
Chemical to Thermal
Thermal to Chemical
Chemical to Mechanical
25
Student one applies 10 N of force sliding a wooden board while friction stops it with 4 N back
10 N
4 N
14 N
6 N
26
You push a 30 kg crate with a force of 60 N. What is the crate’s acceleration?
2 m/s2
30 m/s2
1800 m/s2
180 m/s2
27
Based on the information in the graph, what can we conclude?
Car A and Car B are moving in opposite directions
Car A is moving at a greater speed
Car A and Car B are moving at the same speed.
Car B is moving at a greater speed
28
Classify either P for Potential or K for Kinetic
P , P , K , P
K , P , K , P
P , K , P , K
K , K , P , K
29
Graduated cylinders one 70 ml water and 70 ml alcohol. Few hours later water 65 and alcohol 58.
water increased in amount
water decreased more quickly than the rubbing alcohol
rubbing alcohol decreased more quickly than the water
rubbing alcohol increased in amount
30
A student walks 2 Km in 30 minutes, what is the student’s average speed in Km/h?
28 km/hr
60 km/hr
4 km/ hr
32 km/hr
