# Science 7-Final

### 23 terms by lgb1999

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1,000 grams

100 centimeters

### 1 L =

1,000 milliliters

### Hypothesis

a prediction of the outcome of an experiment

### Inference

a statement believed to be true based on observations

### Observation

using your senses or tools to record properties of an object

### Why is the metric system used in science?

• The metric system is used worldwide...except U.S.
• The metric system is based on 10, which makes conversions easier.

a balance

a scale

### What tool is used to measure distance?

a ruler/meter stick

meters

Newtons

grams

### Volume=(metric units)

cm3 or milliliters

meters/seconds

Newtons

grams/ cm3

### Acceleration= (metric units)

meters/second/second

degrees Celsius

### What is volume?

Volume is the amount of space matter occupies. (the size of an object)

V=L x W x H

### How do you calculate the volume of irregular objects?

Irregular objects: find volume by displacement (measure how much the volume of water increases when an object is submerged in water)

Example: