What are the Answers for UK test 8E Exploring Science?

Answer 1

For Ohio 3rd edition the answers to lesson 7 Reproduction are 1)b 2)c 3)a 4)a 5)b and 6)d

lesson 8 Heredity are 1)a 2)d 3)b 4)d 5)d 6)a

lesson 9 Evolution & the Diversity of Species 1)c 2)a 3)c 4)a 5)b 6)b

lesson 10 Forces & Motion 1)a 2)d 3)a 4)c 5)d 6)b

Answer 2

1.1150 2.1 3.4-10 4.-121--156 5.20-25 6.40 7.-87 8.100 9.800 10.37 11.-5 12.200 13.0 14.15000000 15.92 16.55 17.-10--15 18.6000 this is what i got, they might not be all right

Answer 3

a The filter funnel with filter paper over a beaker 1 mark

4 a solvent and colourless 1 mark

4 b soluble and yellow 1 mark

4 c yellow and solution 1 mark - for both correct

2

4 d The mass increases. 1 mark

3 4 It separates insoluble substances from a liquid. 1 mark

4 5 a evaporating basin/dish and tripod labelled correctly 1 mark - for both correct

6 b a dissolved solid from a solution 1 mark - also accept 'dissolved

substances from a liquid or a

solvent'

7 a The particles stay bonded/fixed together. 1 mark - also accept 'nothing'

6 b The particles split up and mix with the water particles. 1 mark

5

7 c The sand is trapped by the filter paper because the

particles are too big to go through the holes.

The salt has split up into particles small enough to go

through the holes in the paper.

1 mark - accept equivalent

answers

5 a only water, with nothing dissolved in it 1 mark - accept any equivalent

answer

6 b evaporation then condensation 1 mark

6

6 c cools/condenses the gas 1 mark - accept equivalent

answers, i.e 'cools the water

vapour'

4 a blue, purple 1 mark - for both colours

identified

6 b colours dissolved in water, which carried them along the paper 1 mark - for both points made.

Also accept 'carried by water'.

7

6 c These materials contain DNA which can be matched to a specific

person using a form of chromatography.

1 mark - for both correct

5 a sodium nitrate, more sodium nitrate dissolves in 100g water 1 mark - correct salt and

explanation needed for mark

8

5

6

6

b i It will all dissolve.

ii Only 30g will dissolve.

iii The solubility is only 30g/100g, so it will form a

saturated solution and not all of it will dissolve.

1 mark - accept equivalent

answers

1 mark - accept 'it will not all

dissolve'

2 marks - 1 mark for each p

Answer 4

Answer 1) A magnet cannot attract matches because it only attracts things with iron, cobalt or nickel in it. It attracts pins because pins are mostly iron.Answer 2) The space around a magnet in which a magnetic force acts is called the magnetic field.Answer 3) a)The field round the magnet is strongest at the poles.b)The further away from the magnet, the weaker the field becomes.Answer 4)MORE ANSWERS COMING SOON...(Like...little thumbs up guy goes here!)

Answer 5

The questions and answers to the FCAT explorer are always changing, however, the test will be replaced with a new CORE test in 2015.

Answer 6

Sorry, we can't provide materials protected by copyright.

Answer 7

from your Rectum to your anus

Answer 8

1a = b