KS3 SCIENCE- REVISION

• PH paper is put in a solution, which turns red.  What is this?

• acid

• alkaline

• neutal

• PH paper, universal indicator and red cabbage indicator can all be used to:

• • Determine whether something is corrosive or not

• • Determine whether something is an element or not

• • Determine whether something is a mixture or compound

• • Determine whether something is an acid or alkali

•  

  Can you pick which of the following contains acid?

• • Detergent

• • Orange juice

• • Water

• • Ammonia

What is the unit for weight?

• m/s²

• kilograms

• Newton's

• grams

What is the unit we use for mass in this topic?

• m/s²

• kilograms

• grams

• Newton's

Weight (kg) = Mass (N) x Gravity (m/s²)

(Gravity = 10m/s²)

What is the weight of a 10kg mass?

• 0.01N

• 10N

• 100N

• 0.1N

Weight (kg) = Mass (N) x Gravity (m/s²)

(Gravity = 10m/s²)

What is the weight of a 0.5kg mass?

• 500N

• 50N

• 5N

• 0.5N

Weight (kg) = Mass (N) x Gravity (m/s²)

(Gravity = 10m/s²)

What is the mass of a 4N weight?

answer choices

• 0.4kg

• 40kg

• 0.004kg

• 0.04kg

What is the definition of weight?

• The amount of stuff an object is made up of.

• The force due to gravity on an object.

Which of these is a property of metals?

• It's malleable

• It can't conduct electricity

• They are used in food

• It's very brittle