Lesson 6 LSQ Work Done Energy Yr 10

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Gloucester Academy

Greenshaw High School

The Brakenhale School

Orchard Park

Blaise High School

Yate Academy

Henley Bank High School

Holmleigh Park High School

Five Acres High School

Other:

What is your name? *

Which of the following is the correct equation to calculate image size? *

1 point

Image size = Magnification x Actual size

Image size = Actual size/Magnifcation

Image size = Actual size + Magnification

Image size = Magnification/Actual Size

Name the structure E *

1 point

Cytopasm

Cell Membrane

Ribosome

Mitochondria

Nucleus

True or false? A sperm cell is an example of a specialised cell? *

1 point

True

False

Which of these are adaptations of plant root hair cells? *

1 point

Large surface area

Green colour

Small size

Cell wall

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

1 point

White Blood cell

Root Hair cell

Plant cell

Phloem cell

Sperm cell

Prison cell

Nerve Cell

Animal cell

Xylem cell

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/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/s) x height (m)

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

GPE (J) = mass (N) 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

11.8m/s2

11m/s2

8.9m/s2

10m/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 J

11.5N

0 N

115 J

115 m

11.5 J

115 N

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 kJ

3900 J

3.9 kN

39 J

390 J

Required

Convert 0.5 kJ into Joules *

1 point

50 J

500 J

0.5 J

5000 J

5 J

Required

A bike with a mass of 235 kg is moving at a speed of 18 m/s. How much kinetic energy does it have? Kinetic energy = ½ x mass x velocity2 *

1 point

38070 N

380700 m/s

38070 m/s

380700 J

38070 J

3807 J

Convert 38070J into kilo Joules to 2 Decimal places *

1 point

3.8 kJ

0.38kJ

3.81 kJ

38.1 kJ

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