Theme Park Science Flashcards
A car moves from A to B at a speed of 70 km/h and comes back from B to A at a speed of 40 km/h.
Find it’s average speed during the journey?
55 km/h
The earth takes on year to go round the sun. If distance travelled is 584 million miles if there are 365 days a year, what is Earth’s speed in mph?
66,666.6’ mph
A fuel burning empties this store
Chemical
A bungee jumper bounces at the bottom of their rope, but never bounces back as high as they started. Eventually they stop bouncing and hang from their rope. What happened to the gravitational potential energy they had at the start of their jump?
Transferred to the thermal store of thei surroundings.
A man walks 20 km in 4 hours. Find his speed.
5 km/h
When you’re boiling a kettle, what store is increasing?
Thermal
What happens to the kinetic energy of particles when they are heated?
The kinetic energy of the particle increses
A bus drives at a speed of 60 mph and covers a distance of 48 miles. How long does/would that take in minutes?
48 minutes.
What is the equation for speed?
S = D/T
How do you find time?
Distance/ speed
Stretched objects have energy in this store
Elastic
What is a system when you are studying energy transfers?
The objects you are studying
How does energy transfer from a battery to a torch?
Electrical
What does HERM stand for?
Acronym for energy transfers:
Heating
Electrical
Radiation
Mechanical
What kind of energy store is glucose?
Chemical
What is a system when you are studying energy transfers?
The objects you are studying
What is the energy stored in chemical bonds of the glucose that are being produced called?
Chemical
By which pathway does a hot cup of tea tranfer energy to it’s surroundings?
Thermal
Name the types of heat transfers that require particles?
Conduction and convection
What does KGCEMENT stand for?
The acronym for energy stores:
Kinetic
Gravitational (potential)
Chemical
Electrostatic
Magnetic
Elastic
Nuclear
Thermal
How do you find distance?
Speed x time
What are the preffered units for distance and time?
m/s
On a distance-time graph, how would the line look if I stood still for five minutes?
Vertical
