Grade 10 Review

Chemistry

100

What is the chemical symbol for Nickel?

Ni

200

How many valence electrons does Bromine have?

7

300

Name the following chemical formula: 

Mg3P2

Magnesium Phosphide

400

Write the chemical formula for: Cobalt Nitride

C₃N₂

500

Balance the following equation:

MgO + KCl ->  MgCl₂ + K₂O

    2MgO + 4KCl -> 2MgCl₂ + 2K₂O

Optics

100

What happens when you mix blue and green?

Cyan

200

Are sunglasses transparent, translucent, or opaque?

Translucent

300

What is incandescent light?

when objects are heated enough, they glow.

400

What type of mirror would use to create a security mirror?

Convex Mirror

500

What does it mean to be farsighted?

Can’t see near because light focuses behind retina.

Biology

100

What is a malignant tumour?

Cancerous Tumour

200

What does a red blood cell do?

contain a protein called hemoglobin, which carries oxygen from the lungs to all parts of the body.

300

What are the three reasons cell divide

repair, growth & reproduction

400

What is the function of the respiratory system?

 move fresh air into your body while removing waste gases. (Oygen, waste, carbon)

500

What happens during prophase

• Chromosomes thicken and
  become visible

• Nucleus starts to dissolve

Random

100

Who was the first disney princess?

Snow white

200

Who won the superbowl this year?

Kansas City Chiefs

300

How many hallways are in ODSS?

7

400

What is the capital of Nova Scotia?

Halifax

500

What is Ms.Wells first name?

Emma

Combined

100

What is a stomach ulcer?

• Occurs when the thick layer of mucus that protects your stomach from acid is reduced which exposes the stomach lining to the acid.  

200

What is refraction?

When light passes from one material (aka medium) to another, it bends when it changes speed.

300

What is the law of conservation of mass?

During a chemical reaction, the total mass of the reactants is equal to the total mass of the products.

400

What is the difference between additive and subtractive colour theory?

Additive: Light produces colour (RBG)

Subtractive: Dye produces colour (Cyan, Magenta, Yellow)

500

Write the formula, Balance, Name the product and Type of reaction for the following equation:

Sodium Oxide + Magnesium Bromide ->

Na₂O + MgBr₂     ->   2NaBr  +  MgO

Sodium Bromide + Magnesium Oxide

Double Displacement Reaction