Show:
Addition and Subtraction
Chemical Reactions
Geometry
Earth's Surface and Ecosystems
Proportions
100

1 + (-1)

0

100

Matter is.... 

Stuff!  Anything that takes up space!  Includes solids, liquids, and gases

100

What is the perimeter of a SQUARE with side lengths of 10 inches?

40 inches

100

What are the 4 main layers of the Earth?

Inner core, Outer core, Mantle, Crust

100

What is the horizontal and vertical axis of a coordinate plane called?

Horizontal is X axis

Vertical is Y axis

200

3 + (-8)

-5

200

Reactants are....

Products are...

Reactants are... materials present BEFORE a chemical reaction.

Products are... materials present AFTER a chemical reaction. 

200

What is a "Right Triangle"?

A triangle with one right angle. 

200

What are convection currents in the mantle?

Circular movement of material in the mantle caused by heat from the core. 

200

What are 3 things that are true about a proportional relationship?

- there are 2 quantities

- the quantities are related to each other by a multiplier. 

-when one quantity is zero, the other is zero

300

-9 + (-9)

-18

300

each CO2 molecule includes how many Carbon atoms and how many Oxygen atoms?

One Carbon, Two Oxygen

300

What do all 3 angles of a triangle add up to?

180 degrees

300

What is a herbivore?  Carnivore?  Omnivore?

An herbivore only eats plants, a carnivore eats meat, an omnivore eats both. 

300

Describe the graph of a proportional relationship. 

It is a straight line that goes through the origin (0,0).

400

-17 - 5

-22

400

What are 4 signs that a chemical reaction has occurred?

1- Temperature change

2- Color change

3- Production of gas

4- A new substance is created

400

What is the area of a Triangle with a base of 3 inches and a height of 4 inches?

6 square inches. (Base x height divided by 2)

400
What is the difference between a food web and food chain?

A food chain shows one line of feeding relationships.  A food web shows a bunch of overlapping food chains. 

400

I drove 245 miles on 7 gallons of gas.  How many miles did I go per gallon?

35 miles per gallon

500

100 - (-20)

120

500

What does the Law of Conservation of Matter say?

In a chemical reaction, atoms are never created or destroyed.  The same number and type of atoms present BEFORE the reaction is the same as AFTER the reaction. 

500

Use the formula for Area of a circle to find the Area of a circle with a radius of 4 

3.14 x 4 x 4 = 50.24

500

What are the reactants and products in Photosynthesis?

Reactants: CO2, water, sunlight

Products: Glucose, oxygen

500
Each person paid $15 for a ticket.  What equation will I use to figure out how much all 64 7th graders paid for tickets?  

64 x 15 = 960