Lesson 5 Exit Ticket Gravitational Potential Energy Yr 10

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What are the 3 organelles that are ONLY found in plant cells (Eukaryotic cells) Tick all that apply *

3 points

nucleus

vacuole

cell membrane

cell wall

mitochondria

ribosome

chloroplast

golgi body

Required

Name the structure E *

1 point

Nucleus

Cytopasm

Cell Membrane

Mitochondria

Ribosome

Identify a specialised cell which develop sub-cellular structures to fight infection such as COVID - 19 *

1 point

Root Hair cell

Animal cell

White Blood cell

Nerve Cell

Plant cell

Phloem cell

Xylem cell

Sperm cell

Prison cell

What is this cell and how does its structure enable its function ? *

3 points

Has a large surface area to enable water to be drawn in via Osmosis

Xylem cell

Nerve cell

Skin cell

Root hair cell

Red blood cell

Phloem cell

Is bi concave to enable greater surface area for gas exchange

Is long to cover more distance in the body

Contains no nucleus to maximise Oxygen molecule uptake

Has a sheath of fat to insulate the electrical impulse

Is branched to connect to other cells

Contains lots of mitochondria to enable quick movement

Required

Name the specialised cell in plants that transports food (dissolved sugars)? *

1 point

Root Hair cell

Plant cell

White Blood cell

Prison cell

Nerve Cell

Phloem cell

Animal cell

Sperm cell

Xylem cell

The gravitational potential energy (GPE) of an object due to gravity on Earth depends on *

2 points

Force (m)

Mass (Kg)

Mass (N)

Speed (m/s)

Height (above the earths surface in meters)

Height (above your head in meters)

What are the correct units for this equation: GPE = mass x gravitational field strength x height *

1 point

GPE (J) = mass (Kg) x gravitational field strength (m/s) x height (m)

GPE (J) = mass (N) x gravitational field strength (m/s2) x height (m)

GPE (W) = mass (Kg) x gravitational field strength (m/s2) x height (m)

GPE (m) = mass (Kg) x gravitational field strength (m/s2) x height (N)

GPE (J) = mass (Kg) x gravitational field strength (m/s2) x height (m)

Gravitational field strength- this is acceleration due to gravity. It varies from planet to planet. What is it on Earth? *

1 point

9.8m/s2

10m/s2

11m/s2

11.8m/s2

8.9m/s2

A cat of mass 5 kg falls from a tree at a height of 2.3m. How much gravitational energy does the cat have as it leaves the tree? G = 10 m/s2 *

1 point

0 N

0 J

11.5 J

115 m

115 J

115 N

11.5N

Calculate the g.p.e. gained by Mr Matthews of mass 70kg when he climbs up stairs with a height of 3m, On Earth, G = 10 m/s2 *

1 point

210 J

21 J

210 N

2.10 J

2100 J

Calculate the g.p.e. gained by Mr Killigrew of mass 65kg when he climbs up stairs with a height of 6m, On Earth, G = 10 m/s2 - tick all that apply *

2 points

3.9 kN

39 J

390 J

3.9 kJ

3900 J

Convert 2300m in to Kilometers *

1 point

2.3 km

23km

0.23km

0.023km

230km

Required

Convert 4.5 km in to meters *

1 point

4500mm

4500m

45000m

45m

0.45m

35m

Required

Convert 0.5 kJ into Joules *

1 point

500 J

50 J

5 J

5000 J

0.5 J

Required

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