WorksheetsIA2 Review Day
Total questions: 24
Worksheet time: 23mins
Which of these objects is NOT accelerating?
A plane slowing down to land
A rocket taking off into space
A hiker moving at the same speed for hours
A rollerblader heading downhill
What is the net force?
3 N
3 N, right
17 N, right
3 N, left
Newton's third law states that any action will have a(n) _______ and ______ reaction
Equal and similar
Equal and opposite
Equal and different
Greater and opposite
Which is NOT a physical change?
Cutting a pizza into equal slices.
Ice cubes melting back into liquid. water
Baking cupcakes.
A chocolate bar melting.
What is the force of a baseball that has a mass of 142 kg and has an acceleration of 30 m/s2?
1 N
2 N
4260 N
3 N
Which element has 6 protons?
Be
B
C
N
In which of the following scenarios would this energy transformation be observed?
chemical → light → heat
Plucking a guitar string
Lighting a match
Turning on a fan
Starting a car
What is the NET FORCE of this diagram?
17 N, right
17 N, left
23 N, right
12 N, up
(Use Fnet=ma). What is the acceleration of a softball if it has a mass of 0.5 kg and hits the catcher's mitt with a force of 25 N?
0.5 kg
50 kg
25.5 kg
12.5 kg
Al + O2 --> 2Al2O3
Which lab experiments below describe a situation where a chemical change has occurred? Check all that apply.
After adding zinc (Zn) to hydrochloric acid (HCl), a student observes bubbles forming in the solution and a thermometer registers a 10° change in temperature.
A student uses a mortar and pestle (a grinding stone) to break up large pieces of ammonium thiocyanate ( NH4SCN ) into smaller pieces.
After combining Unknown A (a solid, white crystal) with Unknown B (a clear, odorless liquid), there is a strong smell produced and a thermometer registers a 15° change in temperature.
A student dissolves sugar ( C6H6O6 ) into water ( H2O ). The sugar crystals seem to disappear.
A natural atom of Antimony (Sb) has (a) neutrons.
(a) has the same number of energy levels as He.
Which elements have the same number of valence electrons as Iodine?
O
F
S
Be
