5th grade materials and their properties
5th grade (Year 6 in England) · 16 questions · Common Core: NGSS.5-PS1-3, NGSS.5-PS1-2, NGSS.2-PS1-4, NGSS.5-PS1-4 · England: KS2 Y5 Properties and changes of materials, KS3 Chemistry: Pure and impure substances, KS3 Chemistry: Chemical reactions
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Question 1
True or false? Only metals conduct electricity.
- A. True
- B. False
Question 2
Which change is irreversible?
- A. melting butter
- B. an iron nail rusting
- C. dissolving salt in water
- D. freezing water into ice
Question 3
Rust forms on an iron nail. The rusty nail has MORE mass than the clean nail. Why?
- A. Oxygen from the air joined with the iron.
- B. Rust is made from nothing.
- C. The nail grew longer.
- D. Rust is always heavier than anything.
Question 4
At which temperature did the sugar take longest to dissolve?
- A. 10 °C
- B. 30 °C
- C. 50 °C
- D. 70 °C
Question 5
300 g of sand and 20 g of iron filings are mixed together. What is the total mass?
Answerg
Question 6
How could you get salt back after dissolving it in water?
- A. evaporate the water
- B. burn it
- C. filter it
- D. freeze it
Question 7
Separating mixtures: which statement is NOT true?
- A. Filtering can separate an insoluble solid from a liquid.
- B. Distillation can get pure water from salt water.
- C. A sieve can separate sugar from water.
- D. A magnet can separate iron from sand.
Question 8
True or false? A solution forms when a substance dissolves in a liquid.
- A. True
- B. False
Question 9
Vinegar and bicarbonate of soda (baking soda) react in an open beaker. The mass falls from 194 g to 191.8 g. What mass of gas escaped, in g?
Answerg
Question 10
A mystery material is a white powder that fizzes when vinegar is added. What is it most likely to be?
- A. baking soda
- B. plastic
- C. aluminium (aluminum)
- D. glass
Question 11
In a sealed flask, 85 g of one chemical reacts with 59 g of another. What is the total mass of the products, in g?
Answerg
Question 12
Which method is best to separate mud from muddy water?
- A. sieving
- B. filtering
- C. evaporating
- D. using a magnet
Question 13
Which test shows whether a metal is copper or iron?
- A. Check if it is shiny.
- B. Check if it conducts electricity.
- C. Check if it is a solid.
- D. Bring a magnet near it.
Question 14
How does stirring help sugar dissolve faster?
- A. It makes the sugar bigger.
- B. It turns the sugar into salt.
- C. It cools the water.
- D. It moves fresh water next to the sugar.
Question 15
In salt water, what is the solvent?
- A. salt water
- B. water
- C. salt
- D. the cup
Question 16
True or false? Dissolving makes the total mass smaller.
- A. True
- B. False
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